| Genus | Acernaspis ♰
Campbell, 1967
| 27 | Species |
| Genus | Acuticryphops ♰
CRÔNIER & FEIST, 2000
| 2 | Species |
| Genus | Acutiphacops
Feist & Klapper, 2022
| 0 | Species |
| Genus | Adastocephalum ♰
Mitchell, 1919
| 1 | Species |
| Genus | Afrops ♰
Alberti, 1983
| 1 | Species |
| Genus | Ainasuella ♰
MAKSIMOVA, 1978
| 0 | Species |
| Genus | Altaesajania ♰
MAKSIMOVA, 1978
| 0 | Species |
| Genus | Ananaspis ♰
Campbell, 1967
| 20 | Species |
| Genus | Angulophacops ♰
MAKSIMOVA, 1978
| 0 | Species |
| Genus | Arduennops ♰
STRUVE, 1972
| 1 | Species |
| Genus | Atopophacops ♰
ZHOU & CAMPBELL, 1990
| 0 | Species |
| Genus | Austerops ♰
McKellar & Chatterton, 2009
| 10 | Species |
| Genus | Babinops ♰
FEIST & BECKER, 1997
| 2 | Species |
| Genus | Barrandeops ♰
McKellar & Chatterton, 2009
| 3 | Species |
| Genus | Boeckops ♰
Chlupác, 1972
| 1 | Species |
| Genus | Bullicephalus ♰
PIBYL & VANK, 1971 ⇒ Eophacops
| 0 | Species |
| Genus | Burtonops ♰
STRUVE, 1990
| 0 | Species |
| Genus | Chotecops ♰
Chlupác, 1971
| 10 | Species |
| Genus | Cordapeltis ♰
PIBYL & VANK, 1971 ⇒ Chotecops
| 1 | Species |
| Genus | Cronierella
Feist & Klapper, 2022
| 0 | Species |
| Genus | Cryphops ♰
Richter & Richter, 1926
| 6 | Species |
| Genus | Cultrops ♰
STRUVE, 1995
| 0 | Species |
| Genus | Denckmannia ♰
WEDEKIND, 1911 ⇒ Denckmannites
| 0 | Species |
| Genus | Denckmannites ♰
WEDEKIND, 1914
| 6 | Species |
| Genus | Dienstina ♰
Richter & Richter, 1931
| 1 | Species |
| Genus | Drotops ♰
STRUVE, 1990
| 2 | Species |
| Genus | Ductina ♰
Richter & Richter, 1931
| 1 | Species |
| Genus | Echidnops ♰
SANDFORD, 2002
Trilobite | 4 | Species |
| Genus | Echinophacops ♰
Zhou, 1983
| 1 | Species |
| Genus | Eldredgeia ♰
LIEBERMAN, 1993
| 4 | Species |
| Genus | Eldredgeops ♰
STRUVE, 1990
| 4 | Species |
| Genus | Enigmapyge
Feist et al., 2016
| 0 | Species |
| Genus | Eocryphops ♰
Richter & Richter, 1931
| 3 | Species |
| Genus | Eskaspis ♰
Clarkson, Eldredge & Henry, 1977 ⇒ Acernaspis
| 0 | Species |
| Genus | Eutrimerocephalus ♰
Gortani, 1907 ⇒ Trimerocephalus
| 0 | Species |
| Genus | Ewcaste ♰
| 3 | Species |
| Genus | Feistops
Crônier et al., 2020
| 0 | Species |
| Genus | Geesops ♰
STRUVE, 1972
| 8 | Species |
| Genus | Girardina
Feist & Klapper, 2022
| 0 | Species |
| Genus | Glockeria ♰
j.o.s.ofPhacopidella WEDEKIND, 1914 ⇒ Phacopidella
| 0 | Species |
| Genus | Gortania ♰
COSSMAN, 1909 ⇒ Cryphops
| 0 | Species |
| Genus | Houseops ♰
Feist, McNamara, Crônier & Lerosey-Aubril, 2009
| 8 | Species |
| Genus | Hypsipariops ♰
STRUVE, 1982
| 0 | Species |
| Genus | Illaenula ♰
Chlupác, 1977
| 3 | Species |
| Genus | Ivops ♰
Sandford & Holloway, 2006
| 1 | Species |
| Genus | Liolophops ♰
STRUVE, 1972
| 2 | Species |
| Genus | Lochkovella ♰
Chlupác, 1972
| 7 | Species |
| Genus | Microphthalmus ♰
Gortani, 1907 ⇒ Cryphops
| 0 | Species |
| Genus | Morocops ♰
BASSE, 2006
| 3 | Species |
| Genus | Murphycops ♰
LESPÉRANCE, 1968 ⇒ Acernaspis
| 1 | Species |
| Genus | Nandanaspis ♰
ZHANG & YIN in YIN & LI, 1978
| 1 | Species |
| Genus | Nephranomma ♰
Erben, 1952
| 2 | Species |
| Genus | Nyterops ♰
STRUVE, 1972
| 4 | Species |
| Genus | Occitanella
Feist & Klapper, 2022
| 0 | Species |
| Genus | Omegops ♰
STRUVE, 1976
| 3 | Species |
| Genus | Orygmatos ♰
SANDFORD, 2000
| 1 | Species |
| Genus | Otadenus ♰
LAMONT, 1978 ⇒ Acernaspis
| 0 | Species |
| Genus | Paciphacops ♰
MAKSIMOVA, 1972
| 15 | Species |
| Genus | Pedinopariops ♰
STRUVE, 1972
| 18 | Species |
| Genus | Phacopidella ♰
Reed, 1905
| 7 | Species |
| Genus | Phacops ♰
Emmrich, 1839
| 238 | Species |
| Genus | Portlockia ♰
Mccoy, 1846
| 2 | Species |
| Genus | Prokops ♰
Chlupác, 1971
| 3 | Species |
| Genus | Pterygometopidella ♰
WEDEKIND, 1911 ⇒ Eophacops
| 0 | Species |
| Genus | Pulvinocephalus
Feist, 2019
| 7 | Species |
| Genus | Rabienops ♰
STRUVE, 1989
| 2 | Species |
| Genus | Rhinophacops ♰
Kaneko, 1990
| 0 | Species |
| Genus | Rhinoreedops ♰
MAKSIMOVA, 1978
| 0 | Species |
| Genus | Sambremeuaspis ♰
| 0 | Species |
| Genus | Signatops ♰
PIBYL & VANK, 1971
| 1 | Species |
| Genus | Somatrikelon ♰
McMurtrie, 1819
| 1 | Species |
| Genus | Spinicryphops ♰
CRÔNIER & FEIST, 2000
| 1 | Species |
| Genus | Struveaspis ♰
Alberti, 1966
| 5 | Species |
| Genus | Struveops ♰
CRÔNIER & FEIST, 2000
| 2 | Species |
| Genus | Struvephacops ♰
Ghobadi Pour, 2015
| 0 | Species |
| Genus | Tangbailaspis ♰
Xiang & Zhang in T. Zhang, 1983
| 1 | Species |
| Genus | Teichertops ♰
STRUVE, 1992
| 2 | Species |
| Genus | Toxophacops ♰
ZHOU & CAMPBELL, 1990
| 1 | Species |
| Genus | Trimerocephaloides ♰
Feist, McNamara, Crônier & Lerosey-Aubril, 2009
| 2 | Species |
| Genus | Trimerocephalus ♰
Mccoy, 1849
| 15 | Species |
| Genus | Viaphacops ♰
MAKSIMOVA, 1972
| 7 | Species |
| Genus | Weyerites ♰
CRÔNIER & FEIST, 2000
| 2 | Species |
| Genus | Zaplaops ♰
BALDIS & BLASCO in BALDIS & al., 1976
| 1 | Species |
| Genus | Zhusilengops ♰
ZHOU & CAMPBELL, 1990
| 0 | Species |
