| Order | Agnostida ♰
Salter, 1864
| 31
332
1783 | Families
Genera
Species |
| Order | Asaphida ♰
Salter, 1864
| 45
1032
3229 | Families
Genera
Species |
| Order | Corynexochida ♰
Kobayashi, 1935
| 36
717
2781 | Families
Genera
Species |
| Order | Eutrilobita ♰
Haeckel, 1896
| 0
0
0 | Families
Genera
Species |
| Order | Harpetida ♰
Ebach & McNamara, 2002
| 5
52
337 | Families
Genera
Species |
| Order | Lichida ♰
Moore, 1959
| 2
112
791 | Families
Genera
Species |
| Order | Naraoiida ♰
Raymond, 1920 ⇒ Nektaspida
| 0
0
0 | Families
Genera
Species |
| Order | Nectaspida ♰
Størmer, 1959 ⇒ Nektaspida
| 0
0
0 | Families
Genera
Species |
| Order | Nektaspida ♰
Raymond, 1920
| 5
18
27 | Families
Genera
Species |
| Order | Odontopleurida ♰
Whittington, 1959
| 4
136
769 | Families
Genera
Species |
| Order | Olenellida ♰
Walcott, 1890 ⇒ Olenellina
| 0
0
0 | Families
Genera
Species |
| Order | Opisthoparia ♰
Beecher, 1897
| 0
0
0 | Families
Genera
Species |
| Order | Phacopida ♰
Salter, 1864
| 22
747
3270 | Families
Genera
Species |
| Order | Polymerida ♰
| 0
7
0 | Families
Genera
Species |
| Order | Proetida ♰
Fortey & Owens, 1975
| 18
719
3233 | Families
Genera
Species |
| Order | Proparia ♰
Beecher, 1897
| 1
0
0 | Family
Genera
Species |
| Order | Ptychopariida ♰
Swinnerton, 1915
| 76
1442
6063 | Families
Genera
Species |
| Order | Redlichiida ♰
Richter, 1932
| 37
307
1338 | Families
Genera
Species |
| Family | Hemibarrandiidae ♰
COURTESSOLE & PILLET, 1975
| 0
0 | Genera
Species |
| Family | Jamrogiidae ♰
Bentley, Jago & Cooper, 2009
| 1
0 | Genus
Species |
| Family | Namanoiidae ♰
LERMONTOVA, 1951
| 6
13 | Genera
Species |
| Family | Polycyrtaspididae ♰
Öpik, 1967
| 2
9 | Genera
Species |
| Family | Sarkiidae ♰
Hupé, 1953
| 1
3 | Genus
Species |
| Family | Sunaspididae ♰
WZHANG & JELL, 1987
| 2
15 | Genera
Species |
| Genus | 1
#Mitchellia Vogdes, 1917
| 0 | Species |
| Genus | Abadiellidae
#Malongocephalus Zhang & Lin, 1980
| 0 | Species |
| Genus | Acanthaspides
Ivshin, 1956
| 0 | Species |
| Genus | Acastidae
#Akaste Goldfuss, 1843
| 0 | Species |
| Genus | Achylsopsis
Fritz, 1968
| 0 | Species |
| Genus | Acrectopyge ♰
Hawle & Corda, 1847
| 0 | Species |
| Genus | Acrocephalitidae
#Asturiaspis Sdzuy, 1967
| 0 | Species |
| Genus | Acrodus
| 1 | Species |
| Genus | Actinobolus ♰
Eichwald, 1858
| 0 | Species |
| Genus | Aglagalia ♰
Hupé, 1960
| 0 | Species |
| Genus | Agnostidae
#Hozediasagnostus Ergaliev & Ergaliev, 2008
| 0 | Species |
| Genus | Agraulaeva ♰
| 0 | Species |
| Genus | Agraulidae
#Arionellus Barrande, 1850
| 0 | Species |
| Genus | Agraulus ♰
| 2 | Species |
| Genus | Aguaraya ♰
Rusconi, 1954
| 1 | Species |
| Genus | Agyrenella ♰
Ivshin, 1957
| 1 | Species |
| Genus | Alataspis
Park & Choi, 2011
| 0 | Species |
| Genus | Albacania
| 0 | Species |
| Genus | Albertellinapalmerin ♰
Palmer & halley, 1979
| 0 | Species |
| Genus | Aldonaiidae
#Planaspis Repina, 1959
| 0 | Species |
| Genus | Aliger
Howell, 1937
| 0 | Species |
| Genus | Aligerites ♰
Howell, 1942
| 1 | Species |
| Genus | Allocotichnus
Osgood, 1970
| 0 | Species |
| Genus | Alloctops ♰
Rafinesque, 1832
| 0 | Species |
| Genus | Alokistocaridae
#Kochina Resser, 1935
| 0 | Species |
| Genus | Alsataspididae
#Clavatellus Poletaeva, 1955
| 0 | Species |
| Genus | Altajaharpes ♰
PETRUNINA, 1984
| 1 | Species |
| Genus | Altiplanelaspis ♰
PIBYL & VANK, 1980
| 3 | Species |
| Genus | Ambonslium ♰
Kobayashi, 1941
| 0 | Species |
| Genus | Amgaspidae
#Altitudella Repina, 1974
| 0 | Species |
| Genus | Amgaspididae
#Paramgaspis Yuan & Zhao, 1997
| 0 | Species |
| Genus | Ampellatocephalina ♰
Lu & Qian, 1983
| 0 | Species |
| Genus | Amphihys
Angelin, 0
| 0 | Species |
| Genus | Anacheirurs ♰
| 0 | Species |
| Genus | Anacopodia ♰
| 0 | Species |
| Genus | Anchonotellus
| 0 | Species |
| Genus | Andinopyge
Branisa, 1965
| 0 | Species |
| Genus | Andrarinidae
#Liostracus Angelin, 1854
| 0 | Species |
| Genus | Anginouyia ♰
SAVITSKY & al., 1974
| 0 | Species |
| Genus | Angusteva
Hupé, 1953
| 0 | Species |
| Genus | Anomocarellidae
#Peishanoides Qiu, 1983
| 0 | Species |
| Genus | Anomocaridae
#Paibianomocare Peng, Babcock & Lin, 2004
| 0 | Species |
| Genus | Anopsites
Rafinesque, 1832
| 0 | Species |
| Genus | Antagmellus
Lermontova, 1959
| 0 | Species |
| Genus | Antagmidae
#Crassifimbra Lochman, 1947
| 0 | Species |
| Genus | Antatlaeva ♰
Hupé, 1960
| 0 | Species |
| Genus | Anthracopeltis ♰
BOULAY, 1880
| 1 | Species |
| Genus | Apatonephalus
| 0 | Species |
| Genus | Aphelaspididae
#Olenaspella Wilson, 1956
| 0 | Species |
| Genus | Araeocephalus ♰
REPINA in REPINA & al., 1964
| 1 | Species |
| Genus | Arbataspis
Sivov, 1955
| 0 | Species |
| Genus | Archaeaspididae
#Fritzaspis Hollingsworth, 2007
| 0 | Species |
| Genus | Arglina ♰
HAJRULLINA, 1973
| 2 | Species |
| Genus | Aristobeggia ♰
LAMONT, 1978
| 1 | Species |
| Genus | Aroeocephalus
| 0 | Species |
| Genus | Artinurus ♰
| 1 | Species |
| Genus | Asaphidae
#Megalaspis Angelin, 1851
| 0 | Species |
| Genus | Asaphides
Zelizko, 1935
| 0 | Species |
| Genus | Asaphiscidae
#Dunderbergella Howell, 1945
| 0 | Species |
| Genus | Asaphoidichnus ♰
Miller, 1880
| 1 | Species |
| Genus | Aspidolites
Conrad, 1841
| 0 | Species |
| Genus | Atopidae
#Pseudatops Lake, 1940
| 0 | Species |
| Genus | Aulacodigmatidae
#Jiangnania Lin & Zhou, 1983
| 0 | Species |
| Genus | Aulacopleuridae
#Intercyphaspides Alberti, 2020
| 0 | Species |
| Genus | Aulacopleurina ♰
PIBYL, 1949
| 2 | Species |
| Genus | Australia; ♰
| 0 | Species |
| Genus | Avoninidae
#Avonina Lochman, 1936
| 0 | Species |
| Genus | Aytounella ♰
LAMONT, 1978
| 1 | Species |
| Genus | Baldwinaspis
Laurie, 2006
| 0 | Species |
| Genus | Bathycheilidae
#Eulomina Ružicka, 1931
| 0 | Species |
| Genus | Bathynotidae
#Bathynotellus Lermontova, 1940
| 0 | Species |
| Genus | Bathyuridae
#Actinopeltis Poulsen, 1947
| 0 | Species |
| Genus | Bavarillidae
#Holoubkocheilus Mergl, 1994
| 0 | Species |
| Genus | Beikedamaspis ♰
| 0 | Species |
| Genus | Bergerolimbus ♰
Hupé, 1960
| 0 | Species |
| Genus | Biavertia ♰
Opik, 1967
| 0 | Species |
| Genus | Biceratopsidae
#Lochmanolenellus Lieberman, 1998
| 0 | Species |
| Genus | Bigotinidae
#Bigotinops Hupé, 1953
| 0 | Species |
| Genus | Bijaspis ♰
PETRUNINA, 1990
| 3 | Species |
| Genus | Bilobites
Rafinesque, 1831
| 0 | Species |
| Genus | Blountinain ♰
Shaw, 1952
| 0 | Species |
| Genus | Bolaspididae
#Rawlinsella Shaw, 1956
| 0 | Species |
| Genus | Bolusspidaspis
| 0 | Species |
| Genus | Borukaspis
1957, 0
| 0 | Species |
| Genus | Bosistoa ♰
| 1 | Species |
| Genus | Brachampyx
Forbes, 0
| 0 | Species |
| Genus | Brachymetopidae
#Mystrocephala Whittington, 1960
| 0 | Species |
| Genus | Bulajaspis
| 0 | Species |
| Genus | Bumastis ♰
| 1 | Species |
| Genus | Burlingiidae
#Burlingia Walcott, 1908
| 0 | Species |
| Genus | Calchaquiana ♰
Rusconi, 1956
| 1 | Species |
| Genus | Calgachia
Lamont, 1978
| 0 | Species |
| Genus | Calmoniid ♰
| 0 | Species |
| Genus | Calmoniidae
#Schizopyge Clarke, 1913
| 0 | Species |
| Genus | Calodiscidae
#Tologoja Korobov, 1980
| 0 | Species |
| Genus | Calymenidae
#Reacalymene Shirley, 1936
| 0 | Species |
| Genus | Cancapolia ♰
Rusconi, 1954
| 1 | Species |
| Genus | Carmon ♰
Barrande, 1872
| 1 | Species |
| Genus | Catillicephalidae
#Onchonotopsis Rasetti, 1946
| 0 | Species |
| Genus | Cayastaia ♰
Rusconi, 1954
| 1 | Species |
| Genus | Cedariidae
#Cedaria Walcott, 1924
| 0 | Species |
| Genus | Celmidae
#Striticephala Raymond, 1937
| 0 | Species |
| Genus | Centropleuridae
#Anabaraspis Lermontova, 1951
| 0 | Species |
| Genus | Cephalocoeliaspis
| 0 | Species |
| Genus | Ceratopygidae
#Yuepingioides Lu & Lin, 1984
| 0 | Species |
| Genus | Chakassinella
| 0 | Species |
| Genus | Chalchaquiana ♰
| 0 | Species |
| Genus | Chambersiellus ♰
LAMONT, 1975
| 2 | Species |
| Genus | Chandrinouyina
| 0 | Species |
| Genus | Changshaniidae
#Mecophyrs Shergold, 1982
| 0 | Species |
| Genus | Cheilocephalidae
#Emsurella Rozova, 1960
| 0 | Species |
| Genus | Cheirurella
Apollonov, 1970
| 0 | Species |
| Genus | Cheiruridae
#Foulonia Pribyl & Vanek, 1985
| 0 | Species |
| Genus | Cheiruroideidae
#Tuojiangella Duan, Yang & Shi, 1999
| 0 | Species |
| Genus | Chengcunia
Qiu, 1984
| 0 | Species |
| Genus | Chengkouaspidae
#Metaredlichioides Qian & Yao, 1974
| 0 | Species |
| Genus | Chengkouiidae
#Acanthomicmacca Hupé, 1953
| 0 | Species |
| Genus | Chernysheva ♰
| 1 | Species |
| Genus | Chiasmacantha ♰
| 1 | Species |
| Genus | Chinensis ♰
| 0 | Species |
| Genus | Chinghizella
Borukaev & Ivshin, 1952
| 0 | Species |
| Genus | Chorionotus
Meyer, 1853
| 0 | Species |
| Genus | Chuangianoproetus
Wu, 1977
| 0 | Species |
| Genus | Cindarella ♰
Chen, Ramsköld, Edgecombe & Zhou, 1996
| 1 | Species |
| Genus | Clavagnostidae
#Paraclavagnostus Yang & Liu, 1991
| 0 | Species |
| Genus | Coltraenia ♰
| 1 | Species |
| Genus | Columbicephalus ♰
Kobayashi, 1955
| 1 | Species |
| Genus | Condylopygidae
#Pleuroctenium Hawle & Corda, 1847
| 0 | Species |
| Genus | Conocoryphidae
#Cornucocoryphe Sdzuy & Linan, 1996
| 0 | Species |
| Genus | Conokephalinidae
#Catuniella Egorova, 1956
| 0 | Species |
| Genus | Coombewoodia ♰
ARCHINAL & BRAUCKMANN, 1989
| 0 | Species |
| Genus | Coosellidae
#Coosella Lochman, 1936
| 0 | Species |
| Genus | Corynexochidae
#Clavigellus Geyer, 1994
| 0 | Species |
| Genus | Costapyge ♰
Howell, 1937
| 1 | Species |
| Genus | Cotalognostus
Whitehouse, 1936
| 0 | Species |
| Genus | Crassifimbria
Lochman, 1947
| 0 | Species |
| Genus | Crepicephalidae
#Paleocrepicephalus Kobayashi, 1935
| 0 | Species |
| Genus | Crepicocephalus ♰
BIGSBY, 1868
| 0 | Species |
| Genus | Crossoura ♰
MOBERG & SEGERBERG, 1906
| 2 | Species |
| Genus | Crusola
Walcott, 1924
| 0 | Species |
| Genus | Cuchulain ♰
LAMONT, 1978
| 1 | Species |
| Genus | Curiaspis ♰
Sdzuy, 1955
| 1 | Species |
| Genus | Cuyanaspis ♰
Rusconi, 1954
| 2 | Species |
| Genus | Cyclognathopsis
Borukaev, 1955
| 0 | Species |
| Genus | Cyclolenzellina ♰
Ergaliev, 1980
| 0 | Species |
| Genus | Cyclopygidae
#Bohemilla Barrande, 1872
| 0 | Species |
| Genus | Cylindrocephalus ♰
TRENKNER, 1868
| 1 | Species |
| Genus | Dalmaniopsis ♰
Geinitz, 1862
| 0 | Species |
| Genus | Dalmanitidae
#Hausmannia Hall & Clarke, 1888
| 0 | Species |
| Genus | Damesellidae
#Taitzehoia Chu, 1959
| 0 | Species |
| Genus | Danangouia ♰
Chen, 1985
| 0 | Species |
| Genus | Daniella ♰
Kovalevskii, 1974
| 0 | Species |
| Genus | Deacalymene
Whittington, 1965
| 0 | Species |
| Genus | Deisella
Howell & Duncan, 1939
| 0 | Species |
| Genus | Deissia
Sun, 1937
| 0 | Species |
| Genus | Deltocephalus
Ogienko, 1969
| 0 | Species |
| Genus | Democephalus ♰
Beebe, 1990
| 1 | Species |
| Genus | Desmus ♰
Raw, 1908
| 1 | Species |
| Genus | Deuterolichas
Reed, 1902
| 0 | Species |
| Genus | Diaphanometopidae
#Synphoroides Delo, 1940
| 0 | Species |
| Genus | Dikellocephalus ♰
| 6 | Species |
| Genus | Dikelocephalidae
#Iranella Hupé, 1955
| 0 | Species |
| Genus | Dikelokephalinidae
#Dikelokephalina Brögger, 1896
| 0 | Species |
| Genus | Dimeropygidae
#Törnquistia Reed, 1896
| 0 | Species |
| Genus | Dimorphichnus ♰
Seilacher, 1955
| 1 | Species |
| Genus | Dinesidae
#Proerbia Lermontova, 1940
| 0 | Species |
| Genus | Dionididae
#Aethodionide, 0
| 0 | Species |
| Genus | Diopsites
Rafinesque, 1832
| 0 | Species |
| Genus | Diplagnostidae
#Pseudoangostus Lermontova, 1940
| 0 | Species |
| Genus | Diplopsites ♰
Rafinesque, 1832
| 1 | Species |
| Genus | Diplozyga ♰
Raymond, 1937
| 2 | Species |
| Genus | Dokimocephalidae
#Wuhuia, 0
| 0 | Species |
| Genus | Dolerolenidae
#Olenopsis Bornemann, 1891
| 0 | Species |
| Genus | Dolgaiella ♰
SIVOV, 1940
| 1 | Species |
| Genus | Dolichometopidae
#Athabascia Raymond, 1928
| 0 | Species |
| Genus | Dorypygidae
#Bonnima Fritz, 1991
| 0 | Species |
| Genus | Dubhglassina
Lamont, 1948
| 0 | Species |
| Genus | Ebenzeria ♰
| 0 | Species |
| Genus | Echlnophacops
Zhou, 1983
| 0 | Species |
| Genus | Ecnomocaris
Conway Morris & Robison, 1988
| 0 | Species |
| Genus | Edelsteinaspididae
#Nodiceps Suvorova, 1959
| 0 | Species |
| Genus | Edganocare ♰
| 0 | Species |
| Genus | Eilidh ♰
LAMONT, 1975
| 1 | Species |
| Genus | Elatelimbus ♰
Repina, 1960
| 1 | Species |
| Genus | Elburgiap ♰
| 0 | Species |
| Genus | Ellesides ♰
LAMONT, 1975
| 1 | Species |
| Genus | Ellipsocephalidae
#Paraprotolenella Zhu & Jiang, 1981
| 0 | Species |
| Genus | Ellipsocephaloididae
#Ellipsocephaloides Kobayashi, 1935
| 0 | Species |
| Genus | Ellipsocephlus ♰
| 1 | Species |
| Genus | Ellipsuella ♰
Hupé, 1960
| 0 | Species |
| Genus | Elmanaspis
Ivshin, 1957
| 0 | Species |
| Genus | Elviniidae
#Metisaspina Sivov, 1955
| 0 | Species |
| Genus | Emeraldella
Walcott, 1912
| 0 | Species |
| Genus | Emigrantia ♰
| 0 | Species |
| Genus | Emmrichellidae
#Teinistion Monke, 1905
| 0 | Species |
| Genus | Emuellidae
#Emuella Pocock, 1970
| 0 | Species |
| Genus | Encrinuridae
#Paracybeloides Hupé, 1955
| 0 | Species |
| Genus | Endymioniidae
#Anisonotella Whittington, 1952
| 0 | Species |
| Genus | Eniseja
Poletaeva, 1959
| 0 | Species |
| Genus | Entoarchis
Kobayashi, 1955
| 0 | Species |
| Genus | Entomaspididae
#Baikadamaspis Ergaliev, 1980
| 0 | Species |
| Genus | Eoampyx ♰
SIVOV, 1940
| 1 | Species |
| Genus | Eocheirurus ♰
ROZOVA, 1960
| 3 | Species |
| Genus | Eodiscidae
#Mongolodiscus Korobov, 1980
| 0 | Species |
| Genus | Eoproeteus
Zhang & Wang, 1984
| 0 | Species |
| Genus | Epumeria ♰
Rusconi, 1958
| 1 | Species |
| Genus | Erbenieoryphe
Feist, 1989
| 0 | Species |
| Genus | Erinnys ♰
SALTER in HICKS, 1872
| 0 | Species |
| Genus | Estaingiidae
#Subeia Li, 1982
| 0 | Species |
| Genus | Eulomella ♰
Kobayashi, 1955
| 1 | Species |
| Genus | Eulomidae
#Iveria Shergold, 1980
| 0 | Species |
| Genus | Eurekiidae
#Bayfieldia Clark, 1924
| 0 | Species |
| Genus | Exapinurus ♰
Nieszkowski, 1859
| 0 | Species |
| Genus | Fabulaspis ♰
Ivshin, 1953
| 1 | Species |
| Genus | Faenicephalus
| 0 | Species |
| Genus | Fallotaspididae
#Fallotia Hupé, 1952
| 0 | Species |
| Genus | Fallotaspodella
| 0 | Species |
| Genus | Fengdouia
Chu, 1974
| 0 | Species |
| Genus | Fengtienia ♰
Endo, 1937
| 1 | Species |
| Genus | Fimbriomarrolithus ♰
Williams, 1948
| 0 | Species |
| Genus | Gdowia ♰
YANISHEVSKY, 1950
| 1 | Species |
| Genus | Gemelloides ♰
| 1 | Species |
| Genus | Gentilapsis ♰
| 0 | Species |
| Genus | Gentilaspis
Hupé, 1958
| 0 | Species |
| Genus | Geoplaxis
Rafinesque, 1832
| 0 | Species |
| Genus | Gerospina ♰
Shanan Peters, 2003, 2003
| 1 | Species |
| Genus | Ghanaspis
Smith & Laurie, 2021
| 0 | Species |
| Genus | Gigantopygidae
#Zhangshania Li & Zhang, 1990
| 0 | Species |
| Genus | Gigmpeltis ♰
Raymond, 1924
| 0 | Species |
| Genus | Girvanagnostella
Kobayashi, 1939
| 0 | Species |
| Genus | Gladiatoria ♰
Hupé, 1955
| 0 | Species |
| Genus | Glaphuridae
#Glaphurus Raymond, 1905
| 0 | Species |
| Genus | Glavaspidella
| 0 | Species |
| Genus | Glomerites
Rafinesque, 1832
| 0 | Species |
| Genus | Gloriagloria ♰
Jell, 2003
| 1 | Species |
| Genus | Glossicephalus ♰
Howell, 1937
| 1 | Species |
| Genus | Glossocorphus
| 0 | Species |
| Genus | Glyptoscorpius
Peach, 1883
| 2 | Species |
| Genus | Goldfussius ♰
Barrande, 1852
| 0 | Species |
| Genus | Goycoia ♰
Rusconi, 1950
| 5 | Species |
| Genus | Gronwallia
Kobayashi, 1935
| 0 | Species |
| Genus | Gronwallina
Rozova, 1964
| 0 | Species |
| Genus | Guayakinites ♰
BALDIS & HANSEN, 1980
| 0 | Species |
| Genus | Guleaspis
Ivshin, 1983
| 0 | Species |
| Genus | Gumunsoia
Park, Sohn & Choi, 2012
| 0 | Species |
| Genus | Hadrorakos ♰
Delo, 1940
| 0 | Species |
| Genus | Hagiorites ♰
Kobayashi, 1951
| 1 | Species |
| Genus | Hammatocnemidae
#Hapsiceraurus Whittington, 1954
| 0 | Species |
| Genus | Hapalopleuridae
#Hermosella Lu & Chien, 1978
| 0 | Species |
| Genus | Harpetidae
#Harpina Novák, 1885
| 0 | Species |
| Genus | Harpididae
#Kitatella Khalfin, 1960
| 0 | Species |
| Genus | Hastagnostidae
#Culipagnostus Rusconi, 1952
| 0 | Species |
| Genus | Hauquinchaia
| 0 | Species |
| Genus | Hebediscidae
#Luvsanodiscus Korobov, 1980
| 0 | Species |
| Genus | Hemicrupturus
Green, 1832
| 0 | Species |
| Genus | Hemicrypturus ♰
Corda, 1847
| 1 | Species |
| Genus | Hicksiidae
#Hicksia Delgado, 1904
| 0 | Species |
| Genus | Hoekaspiella ♰
Rusconi, 1950
| 4 | Species |
| Genus | Holmiidae
#Baltobergstroemia Lieberman, 1999
| 0 | Species |
| Genus | Holocephalinidae
#Sdzuyella Hajrullina, 1975
| 0 | Species |
| Genus | Holotrachelidae
#Holotrachelus Holm, 1898
| 0 | Species |
| Genus | Homalonotidae
#Scabrella Wenndorf, 1990
| 0 | Species |
| Genus | Howelluella ♰
Hupé, 1960
| 0 | Species |
| Genus | Hsiaella ♰
RESSER & ENDO, 1937
| 1 | Species |
| Genus | Hsiaiella
Resser & Endo, 1935
| 0 | Species |
| Genus | Huaquinchaia ♰
Rusconi, 1955
| 1 | Species |
| Genus | Huaquinchaya
Rusconi, 1955
| 0 | Species |
| Genus | Huilichia ♰
Rusconi, 1955
| 1 | Species |
| Genus | Hungaiidae
#Dikelocephalopsis Poletaeva, 1955
| 0 | Species |
| Genus | Hypagnostoidae
#Raragnostus Khairullina, 1975
| 0 | Species |
| Genus | Hystricuraspis
Ivshin, 1955
| 0 | Species |
| Genus | Hystricuridae
#Glabretina Lochman, 1965
| 0 | Species |
| Genus | Idahoiidae
#Arrhenaspis Qian, 1985
| 0 | Species |
| Genus | Idiorhapha ♰
Whittington, 1953
| 3 | Species |
| Genus | Ignotogregatidae
#Ignotogregatus Zhang & Jell, 1987
| 0 | Species |
| Genus | Illaenidae
#Actinolobus Eichwald, 1860
| 0 | Species |
| Genus | Illaenuridae
#Polyariella Rozova, 1963
| 0 | Species |
| Genus | Incisifex
Dahmer, 1937
| 0 | Species |
| Genus | Indigestus ♰
Özdikmen, 2009
| 1 | Species |
| Genus | Inexpectatops
Basse, 2003
| 0 | Species |
| Genus | Inglefeldia
Repina, 0
| 0 | Species |
| Genus | Inouyiidae
#Parainouyia Zhang et al., 1980
| 0 | Species |
| Genus | Iridis
Smith & Laurie, 2021
| 1 | Species |
| Genus | Irvinsella ♰
| 0 | Species |
| Genus | Ishpella ♰
PETRUNINA, 1990
| 2 | Species |
| Genus | Isidreana ♰
Rusconi, 1954
| 1 | Species |
| Genus | Isocolidae
#Cyphoniscus, 0
| 0 | Species |
| Genus | Isoctomesa ♰
Rafinesque, 1821
| 0 | Species |
| Genus | Issafenia ♰
Hupé, 1960
| 0 | Species |
| Genus | Ityophoridae
#Ityophorus Warburg, 1925
| 0 | Species |
| Genus | Ixalichnus
Callison, 1970
| 0 | Species |
| Genus | Jakutidae
#Uktaspis Korobov, 1963
| 0 | Species |
| Genus | Jamrogiidae
#Jamrogia Bentley, Jago & Cooper, 2009
| 0 | Species |
| Genus | Jaylopygiella
Basse, 2003
| 3 | Species |
| Genus | Jonotus ♰
Meyer, 1848
| 1 | Species |
| Genus | Judomiidae
#Judomia Lermontova, 1951
| 0 | Species |
| Genus | Juriietella ♰
EGOROVA in ASTASHKIN & al., 1981
| 1 | Species |
| Genus | Kablikia
Geinitz, 1862
| 0 | Species |
| Genus | Kameschkowiella
Repina, 1960
| 0 | Species |
| Genus | Kamlacus ♰
PETRUNINA, 1984
| 2 | Species |
| Genus | Kaolishaniidae
#Kaolishania Sun, 1925
| 0 | Species |
| Genus | Kasachaspis
Ivshin, 1955
| 0 | Species |
| Genus | Kegelops
Alberti, 1970
| 0 | Species |
| Genus | Kerbinella ♰
EGOROVA, 1984
| 1 | Species |
| Genus | Keveaspis
| 0 | Species |
| Genus | Khankaspis
Repina & Okuneva, 1969
| 0 | Species |
| Genus | Kilmahogia ♰
LAMONT, 1975
| 1 | Species |
| Genus | Kindblandia
Frederickson, 1948
| 0 | Species |
| Genus | Kingstoniidae
#Maryvillia Walcott, 1916
| 0 | Species |
| Genus | Kiokella
Kobayashi, 1942
| 0 | Species |
| Genus | Kirengina ♰
OGIENKO, 1974
| 2 | Species |
| Genus | Kleptothule ♰
BUDD, 1995
| 1 | Species |
| Genus | Kllmaxocephalus
Sun & Zhu, 1977
| 0 | Species |
| Genus | Koataia
Lee, 1962
| 0 | Species |
| Genus | Kochiellamansfieldi ♰
Resser, 1939
| 0 | Species |
| Genus | Koenigia ♰
Salter, 1865
| 0 | Species |
| Genus | Koljumbina
Lazarenko, 1960
| 0 | Species |
| Genus | Komaspididae
#Carolinites Kobayashi, 1940
| 0 | Species |
| Genus | Koorthis
| 0 | Species |
| Genus | Koreaspis ♰
| 0 | Species |
| Genus | Koshkulaspis
Koptev, 1969
| 0 | Species |
| Genus | Kosovoproteus
Snajdr, 1981
| 0 | Species |
| Genus | Kueichowiidae
#Shatania Lu Chang, Chien, Chu, Lin, Chou, Chien, Zhang & Wu, 1974
| 0 | Species |
| Genus | Kuetsingocephalus
Lee & Tsung, 1963
| 1 | Species |
| Genus | Kulyumbopeltus
| 0 | Species |
| Genus | Kupwaria
Shah & Sudan, 1983
| 0 | Species |
| Genus | Ladeuxia
Pillet, 1969
| 0 | Species |
| Genus | Lakella ♰
Kobayashi, 1962
| 0 | Species |
| Genus | Lakiestrella
| 0 | Species |
| Genus | Latoucheia ♰
Hupé, 1953
| 4 | Species |
| Genus | Lecanopygidae
#Lecanopyge Raymond, 1937
| 0 | Species |
| Genus | Leiostegiidae
#Szechuanella Lu, 1962
| 0 | Species |
| Genus | Leitchia ♰
LAMONT, 1978
| 1 | Species |
| Genus | Lepidoderma
Reuss, 1855
| 0 | Species |
| Genus | Leptopilus ♰
Raymond, 1924
| 1 | Species |
| Genus | Levinia ♰
Rusconi, 1950
| 6 | Species |
| Genus | Levirobergia
Petrunina, 1984
| 0 | Species |
| Genus | Lichakephalidae
#Brutonia Thomas & Holloway, 1988
| 0 | Species |
| Genus | Lichidae
#Asawikwanabe Basse, 2004
| 0 | Species |
| Genus | Liostracinidae
#Aplexura Rozova, 1963
| 0 | Species |
| Genus | Liparges ♰
Gürich, 1901
| 0 | Species |
| Genus | Lisaniidae
#Shengia Hsiang, 1963
| 0 | Species |
| Genus | Liwiidae
#Livia Lendzion, 1975
| 0 | Species |
| Genus | Llanoaspididae
#Metisaspis Rasetti, 1946
| 0 | Species |
| Genus | Lochmannia
Grabau, 1937
| 0 | Species |
| Genus | Lochovella ♰
| 1 | Species |
| Genus | Loganellidae
#Highgatea Raymond, 1937
| 0 | Species |
| Genus | Lonchocephalidae
#Pseudotalbotina Benedetto, 1979
| 0 | Species |
| Genus | Lorenzellidae
#Pseudolorenzella Romanenko, 1970
| 0 | Species |
| Genus | Loxoparia ♰
Rasetti, 1965
| 1 | Species |
| Genus | Luaspididae
#Luaspides Duan, 1966
| 0 | Species |
| Genus | Lusampa ♰
PETRUNINA, 1990
| 3 | Species |
| Genus | Macannia ♰
Jell, 1975
| 0 | Species |
| Genus | Macnairides ♰
LAMONT, 1975
| 1 | Species |
| Genus | Madiganaspis ♰
Laurie, 2006
| 0 | Species |
| Genus | Maja
Lomovitskaya, 1955
| 0 | Species |
| Genus | Mannschreckia ♰
| 0 | Species |
| Genus | Mapaniidae
#Metanomocarella Zhang, 1959
| 0 | Species |
| Genus | Marcaisia
| 0 | Species |
| Genus | Marjumiidae
#Aposolenopleura Raymond, 1937
| 0 | Species |
| Genus | Maximovella ♰
PETRUNINA, 1990
| 0 | Species |
| Genus | Mayiellidae
#Qiaodiella Zhang, Lin & Zhou, 1980
| 0 | Species |
| Genus | Mecophrys ♰
SHERGOLD, 1982
| 2 | Species |
| Genus | Megalaspidicus ♰
PETRUNINA, 1984
| 1 | Species |
| Genus | Megalurites
| 1 | Species |
| Genus | Megapharanaspidae
#Megapharanaspis Paterson & Jago, 2006
| 0 | Species |
| Genus | Melopetasus ♰
Schallreuter, 1979
| 1 | Species |
| Genus | Menairia
| 0 | Species |
| Genus | Mendodiscus ♰
Rusconi, 1950
| 1 | Species |
| Genus | Meneghinella ♰
Bornemann, 1891
| 1 | Species |
| Genus | Menneraspidae
#Menneraspis Pokrovskaya, 1959
| 0 | Species |
| Genus | Menomoniidae
#Densonella Shaw, 1952
| 0 | Species |
| Genus | Metadoxididae
#Minusella Repina, 1960
| 0 | Species |
| Genus | Metagnostidae
#Trinodus M'Coy, 1846
| 0 | Species |
| Genus | Metapopristis
Costa, 1850
| 1 | Species |
| Genus | Mial ♰
LAMONT, 1975
| 2 | Species |
| Genus | Mileidae
#Psilocephalus Salter, 1866
| 0 | Species |
| Genus | Minusella ♰
Repina, 1966
| 0 | Species |
| Genus | Mirmor
Lamont, 1978
| 0 | Species |
| Genus | Missisquoiidae
#Tangshanaspis Zhou & Zhang, 1978
| 0 | Species |
| Genus | Modicia
Walcott, 1924
| 0 | Species |
| Genus | Mollisonia ♰
Walcott, 1912
| 4 | Species |
| Genus | Monkaspididae
#Liaoningella Lu & Qian, 1983
| 0 | Species |
| Genus | Monoculites
Martin, 1809
| 0 | Species |
| Genus | Monomorphichnus ♰
Crimes, 1970
| 3 | Species |
| Genus | Monorachus ♰
Clarke, 1897
| 0 | Species |
| Genus | Monorakidae
#Elasmaspis Kramarenko, 1956
| 0 | Species |
| Genus | Moolatrilo
Malkani, 2019
| 1 | Species |
| Genus | Moretarva ♰
| 0 | Species |
| Genus | Muchattelina
| 0 | Species |
| Genus | Muchattellina ♰
REPINA in KHOMENTOVSKY & REPINA, 1965
| 1 | Species |
| Genus | Myona
Kobayashi, 1935
| 0 | Species |
| Genus | Namanoiidae
#Juliaspis Semashko, 1969
| 0 | Species |
| Genus | Nanshihmenia ♰
W. ZHANG & FAN, 1960
| 1 | Species |
| Genus | Naraoiidae
#Naroia, 0
| 0 | Species |
| Genus | Nathorstia
Walcott, 1912
| 0 | Species |
| Genus | Neilsoniella ♰
LAMONT, 1975
| 1 | Species |
| Genus | Neltneriidae
#Neltneria Hupé, 1953
| 0 | Species |
| Genus | Neoredlichiidae
#Inella Repina, 1964
| 0 | Species |
| Genus | Nepeidae
#Ascionepea Oplk, 1967
| 0 | Species |
| Genus | Nevadiidae
#Buenellus Blaker, 1988
| 0 | Species |
| Genus | Nicoljarvius ♰
LAMONT, 1975
| 1 | Species |
| Genus | Norina ♰
| 0 | Species |
| Genus | Northwest ♰
| 0 | Species |
| Genus | Norwoodiidae
#Norwoodella Resser, 1938
| 0 | Species |
| Genus | Notacoosia
Jago & Bentley, 2007
| 0 | Species |
| Genus | Nuttainia
Eaton, 1832
| 0 | Species |
| Genus | Octoillaenus ♰
BIGSBY, 1868
| 0 | Species |
| Genus | Odontopleuridae
#Acanthaloma Conrad, 1840
| 0 | Species |
| Genus | Ogygopsidae
#Ogygopsis Walcott, 1888
| 0 | Species |
| Genus | Olenellidae
#Bristolia Harrington, 1956
| 0 | Species |
| Genus | Olenidae
#Psilocara, 0
| 0 | Species |
| Genus | Onchonetus
| 0 | Species |
| Genus | Onicites
Martin, 1809
| 0 | Species |
| Genus | Onychaspis ♰
Raymond, 1925
| 2 | Species |
| Genus | Opsidiscinella
Repina, 1965
| 0 | Species |
| Genus | Ordosiidae
#Kontrastina Rozova, 1964
| 0 | Species |
| Genus | Orictocara ♰
| 0 | Species |
| Genus | Orientella
Repina & Okuneva, 1969
| 0 | Species |
| Genus | Orkekia
| 0 | Species |
| Genus | Oryctocephalidae
#Orycetolagus Rusconi, 1967
| 0 | Species |
| Genus | Osceolina
Ulrich, 1930
| 0 | Species |
| Genus | Otarionidae
#Beggaspis Pribyl & Vanek, 1981
| 0 | Species |
| Genus | Otekmaspis ♰
| 0 | Species |
| Genus | Otenaspella ♰
| 0 | Species |
| Genus | Pacootasaukia
Sohn & Choi, 2005
| 0 | Species |
| Genus | Pagetiidae
#Triangulaspis Lermontova, 1940
| 0 | Species |
| Genus | Pagodiidae
#Pagodia Walcott, 1905
| 0 | Species |
| Genus | Paichiashania ♰
| 0 | Species |
| Genus | Palaeolenidae
#Resimopsis Repina, 1958
| 0 | Species |
| Genus | Palaeolentus ♰
| 0 | Species |
| Genus | Palaeophyllipsia
Sugiyama & Okano, 1944
| 0 | Species |
| Genus | Palaeopyge
Salter, 1856
| 0 | Species |
| Genus | Paleo
#Ajirikina, 0
| 0 | Species |
| Genus | Paleoenoides
| 0 | Species |
| Genus | Pamphyliaspis
Dean, 2005
| 0 | Species |
| Genus | Panderiidae
#Panderia Volborth, 1863
| 0 | Species |
| Genus | Papyriaspididae
#Pianaspis Saito & Sakakura, 1936
| 0 | Species |
| Genus | Parabolinoididae
#Kendallia Berg, 1953
| 0 | Species |
| Genus | Paracalgachia ♰
LAMONT, 1978
| 1 | Species |
| Genus | Paracheirurioides ♰
Repina, 1973
| 1 | Species |
| Genus | Paradoxididae
#Paradoxites Goldfuss, 1843
| 0 | Species |
| Genus | Paragetia
| 0 | Species |
| Genus | Paraklodinioidia
Endo, 1937
| 0 | Species |
| Genus | Parallehelcura
Yang & Wang, 1991
| 0 | Species |
| Genus | Paraoryctocephalus
Tomashpolskaya, 1961
| 0 | Species |
| Genus | Paraplesiograulos ♰
| 0 | Species |
| Genus | Pararania ♰
Kobayashi, 1942
| 0 | Species |
| Genus | Paratokephalops
| 0 | Species |
| Genus | Paraulacopleura ♰
MAKSIMOVA, 1968
| 0 | Species |
| Genus | Paraxenocephalus ♰
Rudolph, 1994
| 1 | Species |
| Genus | Parorlovia
| 0 | Species |
| Genus | Pegelina ♰
EGOROVA in EGOROVA & al., 1982
| 1 | Species |
| Genus | Pentacantha
Sloan & Laurie, 2004
| 0 | Species |
| Genus | Peraiella
| 0 | Species |
| Genus | Peronopsidae
#Diplorhina Hawle & Corda, 1847
| 0 | Species |
| Genus | Perrisopyge ♰
| 1 | Species |
| Genus | Perthiellus ♰
LAMONT, 1975
| 1 | Species |
| Genus | Peziziopsis ♰
JU in QIU & al., 1983
| 1 | Species |
| Genus | Phacopidae
#Denckmannites Wedekind, 1922
| 0 | Species |
| Genus | Phacopididae
#Ductina Richter, 1931
| 0 | Species |
| Genus | Phalacromidae
#Phoidagnostus Whitehouse, 1936
| 0 | Species |
| Genus | Pharostomatidae
#Altiplanelaspis Pribyl & Vanek, 1980
| 0 | Species |
| Genus | Phillipsiidae
#Prioraspis Gandl, 2011
| 0 | Species |
| Genus | Phillipsinellidae
#Phillipsinella Novák, 1886
| 0 | Species |
| Genus | Phillipsmithiana ♰
LIEBERMAN & KLOC, 1997
| 1 | Species |
| Genus | Phoriotropus
| 0 | Species |
| Genus | Phylacteridae
#Phylacterus Raymond, 1924
| 0 | Species |
| Genus | Pibylia
Erben, 1951
| 0 | Species |
| Genus | Pichunia ♰
Rusconi, 1958
| 2 | Species |
| Genus | Pichynturia ♰
Rusconi, 1958
| 1 | Species |
| Genus | Pilekiidae
#Pilekia Barton, 1920
| 0 | Species |
| Genus | Piliolites ♰
COZZENS, 1846
| 1 | Species |
| Genus | Piochiella ♰
SUNDBERG & McCOLLUM, 2003
| 1 | Species |
| Genus | Pisumia
Pokrovskaya, 1970
| 0 | Species |
| Genus | Platycephalion
Boeck, 1828
| 0 | Species |
| Genus | Platycorphe ♰
| 1 | Species |
| Genus | Plesigangderria ♰
QIU in QIU & al., 1983
| 1 | Species |
| Genus | Plethopeltidae
#Samgonus Özdikmen, 2006
| 0 | Species |
| Genus | Pliomeridae
#Colobinion Whittington, 1961
| 0 | Species |
| Genus | Poculicephalina ♰
Qian, 1986
| 0 | Species |
| Genus | Polycyrtaspididae
#Hebeia Guo & Duan, 1978
| 0 | Species |
| Genus | Popogaia
| 0 | Species |
| Genus | Preconocephalina
Pokrovskaya, 1961
| 0 | Species |
| Genus | Primorinella
| 0 | Species |
| Genus | Prionurus ♰
Hawle & Corda, 1847
| 0 | Species |
| Genus | Proasaphiscidae
#Irania King, 1937
| 0 | Species |
| Genus | Proetidae
#Phaethonides Angelin, 1878
| 0 | Species |
| Genus | Promathilda ♰
| 1 | Species |
| Genus | Promenites ♰
Rafinesque, 1832
| 0 | Species |
| Genus | Prosopiscidae
#Prosopiscus Salter, 1865
| 0 | Species |
| Genus | Proteus ♰
| 2 | Species |
| Genus | Protocaris ♰
Walcott, 1885
| 2 | Species |
| Genus | Protolenidae
#Aldonaia Lermontova, 1940
| 0 | Species |
| Genus | Protolichas
Reed, 1902
| 0 | Species |
| Genus | Pruvostinodies
Hupé, 1953
| 0 | Species |
| Genus | Pseudagnostidae
#Trisulcagnostus Ergaliev, 1980
| 0 | Species |
| Genus | Pseudartabas
Lamong, 1948
| 0 | Species |
| Genus | Pseudoacicaudus ♰
| 0 | Species |
| Genus | Pseudoclelanida
| 0 | Species |
| Genus | Pseudocrecephalaspina ♰
| 0 | Species |
| Genus | Pseudodigonus
Pillet, 1961
| 0 | Species |
| Genus | Pseudodipharus ♰
KOROBOV, 1980
| 1 | Species |
| Genus | Pseudolevinia ♰
Rusconi, 1951
| 1 | Species |
| Genus | Pseudopaokania ♰
YIN in YIN & LI, 1978
| 1 | Species |
| Genus | Pseudophillia ♰
| 1 | Species |
| Genus | Pseudosalteria ♰
Raymond, 1924
| 3 | Species |
| Genus | Pseudosarkia ♰
SHERGOLD in LAURIE & SHERGOLD, 1996
| 1 | Species |
| Genus | Pseudotermierella ♰
Hupé, 1960
| 0 | Species |
| Genus | Pseudozacantopsis
| 0 | Species |
| Genus | Pterocephaliidae
#Cilia Peng, 1992
| 0 | Species |
| Genus | Pterygometopidae
#Calliops Delo, 1935
| 0 | Species |
| Genus | Ptychagnostidae
#Zeteagnostus Öpik, 1979
| 0 | Species |
| Genus | Ptychaspididae
#Canaspis, 0
| 0 | Species |
| Genus | Ptychoparellina
| 0 | Species |
| Genus | Ptychopariidae
#Monanocephalus Zhang et al., 1980
| 0 | Species |
| Genus | Ptychoparioidae
#Parapoulsenia Rasetti, 1957
| 0 | Species |
| Genus | Ptyttstrigis ♰
Hohensee & Stitt, 1989
| 1 | Species |
| Genus | Punctaspis ♰
SHAW in CLARK & SHAW, 1968
| 2 | Species |
| Genus | Qijiangia ♰
XIANG & JI, 1988
| 1 | Species |
| Genus | Quilianshania
Chu, 1960
| 0 | Species |
| Genus | Quilicanella
Rusconi, 1952
| 0 | Species |
| Genus | Raaschela
Lochman, 1938
| 0 | Species |
| Genus | Raphiophoridae
#Lonchodomus Zittel, 1885
| 0 | Species |
| Genus | Raracephalus ♰
REPINA in REPINA & al., 1964
| 0 | Species |
| Genus | Raymondinidae
#Brassicicephalus Lochman, 1940
| 0 | Species |
| Genus | Redlichiidae
#Saukiandops Hupé, 1953
| 0 | Species |
| Genus | Redlichinidae
#Asthenaspis Suvorova, 1959
| 0 | Species |
| Genus | Remeleaspis
Basse, 2007
| 0 | Species |
| Genus | Remopleuridae
#Teratorhynchus Reed, 1903
| 0 | Species |
| Genus | Remopleurididae
#Remopleuridiella Ross, 1951
| 0 | Species |
| Genus | Resimopis
| 0 | Species |
| Genus | Resseria ♰
Howell, 1945
| 0 | Species |
| Genus | Resseropsis ♰
Hupé, 1960
| 0 | Species |
| Genus | Retusites ♰
Rafinesque, 1832
| 1 | Species |
| Genus | Rheingoldium
Basse, 2003
| 1 | Species |
| Genus | Rhenium
Basse, 2003
| 0 | Species |
| Genus | Rhyssometopidae
#Rhyssometropus, 0
| 0 | Species |
| Genus | Richardsoniaspis
Ivshin, 1958
| 0 | Species |
| Genus | Riojaia
Liñán, 1978
| 0 | Species |
| Genus | Robroyia ♰
LAMONT, 1975
| 1 | Species |
| Genus | Rochaeva ♰
Hupé, 1960
| 0 | Species |
| Genus | Rodingaia
Laurie, 2006
| 0 | Species |
| Genus | Romaniella
Eldredge & Branisa, 1979
| 0 | Species |
| Genus | Rorringtoniidae
#Isbergia Warburg, 1925
| 0 | Species |
| Genus | Sakhaspidella ♰
LAZARENKO in GOGIN & PEGEL, 1997
| 1 | Species |
| Genus | Sambremeusaspis ♰
LESPÉRANCE in LESPÉRANCE & SHEEHAN, 1988
| 1 | Species |
| Genus | Sanashtykgolia
| 0 | Species |
| Genus | Sarkiidae
#Sarkia Shergold, 1996
| 0 | Species |
| Genus | Saukiandidae
#Pseudosaukianda Hupé, 1953
| 0 | Species |
| Genus | Saukiidae
#Suluderella Özdikmen, 2006
| 0 | Species |
| Genus | Schachtenella ♰
| 1 | Species |
| Genus | Schaderthalis
Hundt, 1931
| 0 | Species |
| Genus | Scharyiidae
#Niuchangella Chang, 1974
| 0 | Species |
| Genus | Schmidtella ♰
TSCHERNYSCHEW, 1893
| 0 | Species |
| Genus | Scutelluidae
#Opoa Lane, 1972
| 0 | Species |
| Genus | Selenocoryphe ♰
Beebe, 1990
| 1 | Species |
| Genus | Selenopeltidae
#Ceratocephala Warder, 1838
| 0 | Species |
| Genus | Selenopleura
Angelin, 1868
| 0 | Species |
| Genus | Semicyclocephalus ♰
Ivshin, 1953
| 2 | Species |
| Genus | Serksia ♰
Hupé, 1960
| 0 | Species |
| Genus | Serksioides ♰
Hupé, 1960
| 0 | Species |
| Genus | Serracaris ♰
Briggs, 1978
| 1 | Species |
| Genus | Shirakiellidae
#Taitzuia Resser & Endo, 1935
| 0 | Species |
| Genus | Shumardiidae
#Leoforteyia Waisfeld, Vaccari, Chatterton & Edgecombe, 2001
| 0 | Species |
| Genus | Siberoproetus
Pribyl, 1970
| 0 | Species |
| Genus | Sibiriopeltis ♰
Petrunina & Sennikov, 1984
| 1 | Species |
| Genus | Siligirites
Pokrovskaya, 1972
| 0 | Species |
| Genus | Sinagnostus
Wei, Zhou, Zhan, Wu, Gong & Liu, 2021
| 1 | Species |
| Genus | Sinoburius ♰
Hou Xianguang, Ramskold & Bergstrom, 1991
| 1 | Species |
| Genus | Solenopleuridae
#Kabuqiia Zhang, 1987
| 0 | Species |
| Genus | Sphaeragnostidae
#Axagnostus Laurie, 1990
| 0 | Species |
| Genus | Sphaerometopus ♰
Angelin, 1854
| 0 | Species |
| Genus | Spinagnostidae
#Spinagnostus Howell, 1935
| 0 | Species |
| Genus | Squamacula ♰
| 2 | Species |
| Genus | Stittaspis ♰
Loch & Taylor, 2004
| 1 | Species |
| Genus | Strototropis ♰
Raymond, 1937
| 2 | Species |
| Genus | Styginidae
#Bronteopsis Salter, 1866
| 0 | Species |
| Genus | Stypacephalus
| 0 | Species |
| Genus | Subitella ♰
Repina, 1980
| 1 | Species |
| Genus | Sukhanaspis ♰
LAZARENKO in LAZARENKO & NIKIFOROV, 1968
| 1 | Species |
| Genus | Sunaspididae
#Sunaspis Lu, 1953
| 0 | Species |
| Genus | Symphysurinidae
#Eurysymphysurina Fortey & Bruton, 2013
| 0 | Species |
| Genus | Synphoriidae
#Amazonaspis Pires De Carvalho & Medina Da Fonseca, 2007
| 0 | Species |
| Genus | Taidonorus ♰
| 0 | Species |
| Genus | Taidonurus
Petrunina, 1984
| 0 | Species |
| Genus | Taihungshaniidae
#Tungtzuella, 1957
| 0 | Species |
| Genus | Tambakia ♰
KOBAYASHI & HAMADA, 1970
| 1 | Species |
| Genus | Tangenarella
| 0 | Species |
| Genus | Taplimella ♰
| 0 | Species |
| Genus | Tarijactionides ♰
| 2 | Species |
| Genus | Tatanspis
| 0 | Species |
| Genus | Tazemmourtia ♰
Hupé, 1960
| 0 | Species |
| Genus | Tazzemmourtia
| 0 | Species |
| Genus | Tchabdania ♰
EGOROVA in EGOROVA & al., 1982
| 1 | Species |
| Genus | Telaemarrolithus ♰
Williams, 1948
| 0 | Species |
| Genus | Telephinidae
#Carolinites, 0
| 0 | Species |
| Genus | Telesiops ♰
Rafinesque, 1832
| 1 | Species |
| Genus | Temnura
Resser & Endo, 1935
| 0 | Species |
| Genus | Teneroscutellum ♰
Hšrbinger, 2004
| 1 | Species |
| Genus | Tengfengiidae
#Tengfengia Hsiang, 1962
| 0 | Species |
| Genus | Tersiceps ♰
REPINA in REPINA & al., 1964
| 1 | Species |
| Genus | Thallulus
Kowalski, 1983
| 0 | Species |
| Genus | Thigriffithides
Hessler, 1965
| 0 | Species |
| Genus | Thomsonaspis
Deiss, 1939
| 1 | Species |
| Genus | Thymurus ♰
WHITTARD, 1966
| 1 | Species |
| Genus | Thysanopeltidae
#Planiscutellum Richter & Richter, 1956
| 0 | Species |
| Genus | Tobatopyge
Sivov, 1955
| 0 | Species |
| Genus | Toernquistiidae
#Paratoernquistia Chatterton, Edgecombe, Waisfeld & Vaccari, 1998
| 0 | Species |
| Genus | Tollaspellus
Ivshin, 1953
| 0 | Species |
| Genus | Tomoligus ♰
Rafinesque, 1832
| 1 | Species |
| Genus | Tongxingaspis ♰
| 0 | Species |
| Genus | Tontoia
Walcott, 1912
| 0 | Species |
| Genus | Toxotiformis
Makarova, 2022
| 0 | Species |
| Genus | Toxotis ♰
WALLERIUS, 1895
| 1 | Species |
| Genus | Trapezocephalalina
| 0 | Species |
| Genus | Trapezocephalina ♰
REPINA in REPINA & al., 1964
| 2 | Species |
| Genus | Trematophorus ♰
BALASHOVA, 1953
| 0 | Species |
| Genus | Triangulina ♰
Repina, 1965
| 0 | Species |
| Genus | Tricrepicephalidae
#Coleopachys Raymond, 1937
| 0 | Species |
| Genus | Trigonoscutellum ♰
Hšrbinger, 2006
| 1 | Species |
| Genus | Trilobites
Link, 1807
| 20 | Species |
| Genus | Trilobus
Brünnich, 1781
| 0 | Species |
| Genus | Trinucleidae
#Janxilithus Zhang & Zhou, 1876
| 0 | Species |
| Genus | Trinucleina
Gilbert-Tomlinson, 1961
| 0 | Species |
| Genus | Tripaulites ♰
Delo, 1935
| 0 | Species |
| Genus | Trippia ♰
LAMONT, 1978
| 1 | Species |
| Genus | Tropidaulus
Fenton, 1937
| 0 | Species |
| Genus | Tropidocoryphidae
#Phaeton Barrande, 1846
| 0 | Species |
| Genus | Tsinaniidae
#Dictya Kobayashi, 1933
| 0 | Species |
| Genus | Tsunyidiscidae
#Hupeidiscus Zhang, 1974
| 0 | Species |
| Genus | Tuyunaspis ♰
| 0 | Species |
| Genus | Typhlokorynetes ♰
Shaw, 1966
| 0 | Species |
| Genus | Tyragnostus ♰
Val’€& 356;ek, 2006
| 1 | Species |
| Genus | Ukukites
Pokrovskaya, 1961
| 0 | Species |
| Genus | Ulankanella
| 0 | Species |
| Genus | Ulrickaspis ♰
| 0 | Species |
| Genus | Utiidae
#Antagmopleura Lermontova, 1960
| 0 | Species |
| Genus | Valtorresia ♰
SHERGOLD & SDZUY, 1991
| 1 | Species |
| Genus | Viaphaeops
Maksimova, 1972
| 0 | Species |
| Genus | Vinikainella
| 0 | Species |
| Genus | Voigtaspls
Alberti, 1967
| 0 | Species |
| Genus | Wansliania
Rong & Yang, 1978
| 0 | Species |
| Genus | Wenganaspis ♰
YIN in YIN & LI, 1978
| 1 | Species |
| Genus | Westergardites ♰
Troedsson, 1937
| 0 | Species |
| Genus | Weymouthiidae
#Jinghediscus Xiang & Zhang, 1985
| 0 | Species |
| Genus | Whitefieldina
Resser, 1937
| 0 | Species |
| Genus | Wiltzops
Basse, 2003
| 1 | Species |
| Genus | Winsteria ♰
| 0 | Species |
| Genus | Wllsonella
Hu, 1968
| 0 | Species |
| Genus | Wuaniidae
#Tasmanacephalus Bentley & Jago, 2004
| 0 | Species |
| Genus | Wutingasps ♰
| 1 | Species |
| Genus | Xandarella ♰
Hou, Ramskold & Bergstrom, 1991
| 1 | Species |
| Genus | Yanpingia
Wei, Zhou, Zhan, Wu, Gong & Liu, 2021
| 1 | Species |
| Genus | Yanquetruzia ♰
Rusconi, 1955
| 2 | Species |
| Genus | Yanshaniashania ♰
Jell, 2003
| 1 | Species |
| Genus | Yarakia
| 0 | Species |
| Genus | Ybexaspis ♰
PIBYL & VANK in PIBYL & al., 1985
| 0 | Species |
| Genus | Yinaspis ♰
W. ZHANG & FAN, 1960
| 1 | Species |
| Genus | Yinitidae
#Yunnanaspidella Chang, 1966
| 0 | Species |
| Genus | Yokoaspis ♰
| 0 | Species |
| Genus | Yoyarria ♰
Rusconi, 1955
| 1 | Species |
| Genus | Yuehsienszeella ♰
W. ZHANG in LU & al., 1963
| 0 | Species |
| Genus | Yukoniidae
#Yukonides Fritz, 1972
| 0 | Species |
| Genus | Yunnanocephalidae
#Pseudoptychoparia Ting, 1940
| 0 | Species |
| Genus | Yupingia
Lu, 1956
| 0 | Species |
| Genus | Zacanthoididae
#Ursinella Eddy & McCollum, 1998
| 0 | Species |
| Genus | Zhifangiafangia ♰
Jell, 2003
| 1 | Species |
| Genus | Zigzuella ♰
Hupé, 1960
| 0 | Species |
| Genus | Zonozoe
Barrande, 1872
| 0 | Species |
