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Checklist for Class Trilobita Walch, 1771 (Trilobites)
and region Missouri (USA)


Class
 
Trilobita ♰
Walch, 1771
Trilobites
59
165
182
Families
Genera
Species
 
Taxom
 


List of families for Missouri
59 Families width 182 Species
#HPCSBALRDKITEMN
Hammatocnemidae4SpeciesTaxom
Pterygometopidae Reed, 19055SpeciesTaxom
Catillicephalidae Raymond, 19387SpeciesTaxom
Selenopeltidae0SpeciesTaxom
Bathyuridae Walcott, 188612SpeciesTaxom
Agnostidae M´Coy, 18492SpeciesTaxom
Phillipsiidae OEHLERT, 18867SpeciesTaxom
Lichakephalidae Tripp, 19578SpeciesTaxom
Raphiophoridae Angelin, 18541SpeciesTaxom
Dalmanitidae VOGDES, 18901SpeciesTaxom
Kingstoniidae Kobayashi, 19338SpeciesTaxom
Avoninidae LOCHMAN, 19361SpeciesTaxom
Pterocephaliidae Kobayashi, 19359SpeciesTaxom
Ptychopariidae Matthew, 18873SpeciesTaxom
Asaphiscidae Raymond, 19241SpeciesTaxom
Crepicephalidae Kobayashi, 19356SpeciesTaxom
Brachymetopidae PRANTL & PRIBYL, 19511SpeciesTaxom
Raymondinidae Clark, 19241SpeciesTaxom
Proetidae Salter, 186411SpeciesTaxom
Illaenidae Hawle & Corda, 18473SpeciesTaxom
Tsinaniidae Kobayashi, 19356SpeciesTaxom
Dokimocephalidae Kobayashi, 19358SpeciesTaxom
Saukiidae ULRICH & RESSER, 19301SpeciesTaxom
Calymenidae Burmeister, 18432SpeciesTaxom
Cedariidae Raymond, 19371SpeciesTaxom
Cheiruridae Salter, 18646SpeciesTaxom
Cheilocephalidae Shaw, 19560SpeciesTaxom
Elviniidae Kobayashi, 19355SpeciesTaxom
Idahoiidae LOCHMAN, 19561SpeciesTaxom
Dinesidae LERMONTOVA, 19400SpeciesTaxom
Ptychaspididae Raymond, 19242SpeciesTaxom
Coosellidae Palmer, 19542SpeciesTaxom
Calmoniidae Delo, 19350SpeciesTaxom
Trinucleidae Hawle & Corda, 18471SpeciesTaxom
Aulacopleuridae Angelin, 18541SpeciesTaxom
Dimeropygidae Hupé, 19531SpeciesTaxom
Harpetidae Hawle & Corda, 18471SpeciesTaxom
Phacopidae Hawle & Corda, 18473SpeciesTaxom
Encrinuridae Angelin, 18540SpeciesTaxom
Entomaspididae Ulrich, 19311SpeciesTaxom
Llanoaspididae LOCHMAN, 19443SpeciesTaxom
Styginidae (VOGDES, 1890)0SpeciesTaxom
Asaphidae Burmeister, 184310SpeciesTaxom
Remopleurididae Hawle & Corda, 18472SpeciesTaxom
Solenopleuridae Angelin, 18545SpeciesTaxom
Parabolinoididae LOCHMAN, 19563SpeciesTaxom
Shirakiellidae Hupé, 19533SpeciesTaxom
Spinagnostidae Howell, 19354SpeciesTaxom
Lichidae Hawle & Corda, 18471SpeciesTaxom
Menomoniidae Walcott, 19162SpeciesTaxom
Tricrepicephalidae Palmer, 19541SpeciesTaxom
Norwoodiidae Walcott, 19167SpeciesTaxom
Diaphanometopidae JAANUSSON, 1959Trilobite1SpeciesTaxom
Hystricuridae Hupé, 19531SpeciesTaxom
Plethopeltidae Raymond, 19253SpeciesTaxom
Phylacteridae (LUDVIGSEN & ..., 1989)0SpeciesTaxom
Pseudagnostidae Whitehouse, 19361SpeciesTaxom
Marjumiidae Kobayashi, 19352SpeciesTaxom
Lonchocephalidae Hupé, 19530SpeciesTaxom


Genera for Missouri
164 Genera with 182 Species
#ABCDEFGHIJKLMNOPRSTWX
Acanthoparypha WHITTINGTON ..., 19301SpeciesTaxom
Achatella Delo, 19301SpeciesTaxom
Acheilops ULRICH, 19302SpeciesTaxom
Acidaspis MURCHISON, 1839
0SpeciesTaxom
Acidiphorus Raymond, 1925
0SpeciesTaxom
Agnostus Linnaeus, 01SpeciesTaxom
Ameropiltonia BREZINSKI, 20001SpeciesTaxom
Ameura Weller, 18581SpeciesTaxom
Amphilichas Raymond, 19305SpeciesTaxom
Ampyxina Ulrich, 19171SpeciesTaxom
Anchiopsis Delo, 1935
0SpeciesTaxom
Ankoura Resser, 19381SpeciesTaxom
Avonaspis LOCHMAN, 19401SpeciesTaxom
Avonina LOCHMAN, 19361SpeciesTaxom
Bathyurellus BILLINGS, 01SpeciesTaxom
Bathyurus BILLINGS, 18942SpeciesTaxom
Bellacartwrightia LIEBERMAN & ..., 18611SpeciesTaxom
Benthamaspis Poulsen, 19441SpeciesTaxom
Berkeia Resser, 01SpeciesTaxom
Blairella Rasetti, 18961SpeciesTaxom
Blountia Walcott, 1916
0SpeciesTaxom
Bolbocephalus Whitfield, 19441SpeciesTaxom
Bonneterrina LOCHMAN, 19361SpeciesTaxom
Brachymetopus Mccoy, 01SpeciesTaxom
Brassicicephalus LOCHMAN, 19401SpeciesTaxom
Breviphillipsia Hessler, 01SpeciesTaxom
Bumastoides Whittington, 19081SpeciesTaxom
Bumastus MURCHISON, 18944SpeciesTaxom
Burnetiella LOCHMAN, 19421SpeciesTaxom
Buttsia Wilson, 19511SpeciesTaxom
Bynumia Walcott, 01SpeciesTaxom
Bynumina Resser, 19752SpeciesTaxom
Calocephalites Kurtz, 19752SpeciesTaxom
Calvinella Walcott, 01SpeciesTaxom
Calymene Brongniart, 1822
0SpeciesTaxom
Calyptaulax Cooper, 18471SpeciesTaxom
Camaraspis ULRICH & RESSER, 1924
0SpeciesTaxom
Cedarina LOCHMAN, 19401SpeciesTaxom
Ceraurinus BARTON, 1913
0SpeciesTaxom
Ceraurus Green, 18324SpeciesTaxom
Cheilocephalus BERKEY, 1898
0SpeciesTaxom
Cheirurus Beyrich, 18681SpeciesTaxom
Cliffia Wilson, 01SpeciesTaxom
Comanchia FREDERICKSON, 01SpeciesTaxom
Compsocephalus REPINA, 1964
0SpeciesTaxom
Comptonaspis BREZINSKI, 1988
0SpeciesTaxom
Conaspis Hall, 01SpeciesTaxom
Coosella LOCHMAN, 19361SpeciesTaxom
Coosia Walcott, 19401SpeciesTaxom
Coosina Rasetti, 1956
0SpeciesTaxom
Coronura Hall & Clarke, 1888
0SpeciesTaxom
Cryphaeoides Delo, 1935
0SpeciesTaxom
Cryptolithus Green, 18321SpeciesTaxom
Cullisonia Loch, 19441SpeciesTaxom
Cyphaspis Burmeister, 19301SpeciesTaxom
Dalmanites Barrande, 1852
0SpeciesTaxom
Deadwoodia Resser, 01SpeciesTaxom
Deckera FREDERICKSON, 19491SpeciesTaxom
Dellea Wilson, 1949
0SpeciesTaxom
Dimeropyge Öpik, 19301SpeciesTaxom
Ditomopyge Newell, 18652SpeciesTaxom
Dokimocephalus Walcott, 1924
0SpeciesTaxom
Dolichoharpes Whittington, 19251SpeciesTaxom
Drabia Wilson, 19512SpeciesTaxom
Edithiella Kurtz, 19751SpeciesTaxom
Eldredgeops STRUVE, 18321SpeciesTaxom
Elliptophillipsia Hessler, 01SpeciesTaxom
Elvinia Walcott, 18611SpeciesTaxom
Elyaspis Kurtz, 19751SpeciesTaxom
Encrinurus Emmrich, 1844
0SpeciesTaxom
Entomaspis ULRICH, 19301SpeciesTaxom
Eobronteus Reed, 19301SpeciesTaxom
Eomonorachus Delo, 18771SpeciesTaxom
Erratencrinurus Krueger, 18471SpeciesTaxom
Euptychaspis ULRICH, 19311SpeciesTaxom
Exochops Weller, 1936
0SpeciesTaxom
Flexicalymene SHIRLEY, 18412SpeciesTaxom
Genevievella LOCHMAN, 03SpeciesTaxom
Goldius de Koninck, 1841
0SpeciesTaxom
Griffithidella Hessler, 1965
0SpeciesTaxom
Griffithides PORTLOCK, 1843
0SpeciesTaxom
Hemiarges Gürich, 18943SpeciesTaxom
Holia Bradley, 19301SpeciesTaxom
Homotelus Raymond, 19211SpeciesTaxom
Housia Walcott, 19601SpeciesTaxom
Hypodicranotus Whittington, 18751SpeciesTaxom
Hystricurus Raymond, 04SpeciesTaxom
Iddingsia Walcott, 01SpeciesTaxom
Illaenus Dalman, 18752SpeciesTaxom
Irvingella ULRICH & RESSER, 19242SpeciesTaxom
Isotelus Dekay, 18385SpeciesTaxom
Jeffersonia Poulsen, 04SpeciesTaxom
Kendallina BERG, 01SpeciesTaxom
Kindbladia FREDERICKSON, 1948
0SpeciesTaxom
Kingstonia Walcott, 19383SpeciesTaxom
Kinsabia LOCHMAN, 19401SpeciesTaxom
Kirkella Kobayashi, 19332SpeciesTaxom
Komaspidella Kobayashi, 19611SpeciesTaxom
Kormagnostus Resser, 04SpeciesTaxom
Lichas Dalman, 19071SpeciesTaxom
Lutesvillia CULLISON, 19441SpeciesTaxom
Maustonia RAASCH, 1950
0SpeciesTaxom
Menomonia Walcott, 01SpeciesTaxom
Metaphillipsia Reed, 18701SpeciesTaxom
Meteoraspis Resser, 01SpeciesTaxom
Metopolichas Gürich, 1901
0SpeciesTaxom
Millardia Walcott, 01SpeciesTaxom
Namuropyge Richter & Ri..., 1939
0SpeciesTaxom
Norwoodella Resser, 19381SpeciesTaxom
Norwoodia Walcott, 02SpeciesTaxom
Norwoodina LOCHMAN, 02SpeciesTaxom
Odontochile Hawle & Corda, 01SpeciesTaxom
Oncagnostus Whitehouse, 18771SpeciesTaxom
Orygmaspis Resser, 1937
0SpeciesTaxom
Paciphacops MAKSIMOVA, 18601SpeciesTaxom
Paladin Weller, 19101SpeciesTaxom
Pandaspinapyga ESKER & LEVIN, 1964
0SpeciesTaxom
Parabolinoides FREDERICKSON, 01SpeciesTaxom
Parahousia Palmer, 19601SpeciesTaxom
Paraplethopeltis BRIDGE & CLOUD, 19541SpeciesTaxom
Pelicephalis1SpeciesTaxom
Pelicephalus Kurtz, 19751SpeciesTaxom
Pemphigaspis Hall, 18621SpeciesTaxom
Perexigupyge BREZINSKI, 01SpeciesTaxom
Phacops Emmrich, 18251SpeciesTaxom
Phillipsia PORTLOCK, 19631SpeciesTaxom
Plethometopus ULRICH, 1931
0SpeciesTaxom
Plethopeltis Raymond, 19302SpeciesTaxom
Ponumia Hu, 1970
0SpeciesTaxom
Praepatokephalus LOCHMAN, 1964
0SpeciesTaxom
Prochuangia Kobayashi, 01SpeciesTaxom
Proetides Walter, 1924
0SpeciesTaxom
Proetus STEININGER, 18554SpeciesTaxom
Pseudagnostus Jaekel, 18771SpeciesTaxom
Pseudosaratogia Wilson, 19512SpeciesTaxom
Pterocephalia Resser, 18522SpeciesTaxom
Pterygometopus Schmidt, 18941SpeciesTaxom
Ptychocephalus accepted as ..., 19332SpeciesTaxom
Ptychopyge Angelin, 1854
0SpeciesTaxom
Pudoproetus Hessler, 18551SpeciesTaxom
Pulchricapitus Kurtz, 19752SpeciesTaxom
Rananasus CULLISON, 19441SpeciesTaxom
Remopleurides PORTLOCK, 19201SpeciesTaxom
Richterella Hessler, 19652SpeciesTaxom
Rollia CULLISON, 19441SpeciesTaxom
Saratogia Walcott, 1916
0SpeciesTaxom
Sceptaspis LUDVIGSEN & ..., 19091SpeciesTaxom
Solenoparia Kobayashi, 19801SpeciesTaxom
Sphaerexochus Beyrich, 18681SpeciesTaxom
Sphaerocoryphe Angelin, 19301SpeciesTaxom
Stenochilina ULRICH, 19301SpeciesTaxom
Stenopilus Clark, 19301SpeciesTaxom
Strigigenalis WHITTINGTON ..., 19441SpeciesTaxom
Sulcocephalus Wilson, 1948
0SpeciesTaxom
Syspacheilus Resser, 19401SpeciesTaxom
Taenicephalus ULRICH & RESSER, 18631SpeciesTaxom
Thaleops Conrad, 19301SpeciesTaxom
Triarthropsis Ulrich, 19301SpeciesTaxom
Tricrepicephalus Kobayashi, 19405SpeciesTaxom
Triproetus KOBAYASHI & ..., 19921SpeciesTaxom
Trypaulites Delo, 1935
0SpeciesTaxom
Welleraspis Kobayashi, 1935
0SpeciesTaxom
Wilbernia Walcott, 1924
0SpeciesTaxom
Xenocheilos Wilson, 19512SpeciesTaxom


Species list for Missouri
182 Species
Acanthoparypha subcircularis ♰ Bradley, 1930
Achatella katharina ♰ Bradley, 1930
Acheilops dialatus ♰
Acheilops dilatus ♰ Ulrich, 1930
Agnostus nordicus ♰
Ameropiltonia lauradanae ♰ BREZINSKI, 2000
Ameura missouriensis ♰ Shumard, 1858
Amphilichas antiquarius ♰ Bradley, 1930
Amphilichas aspratilis ♰ Bradley, 1930
Amphilichas cucullus ♰ Meek & Worthen, 1865
Amphilichas humilis ♰
Amphilichas subdisjunctus ♰ Bradley, 1930
Ampyxina bellatula ♰ Savage, 1917
Ankoura triangularis ♰ Resser, 1938
Avonaspis missouriensis ♰ LOCHMAN, 1940
Avonina bizarria ♰ LOCHMAN, 1936
Bathyurellus permaginatus ♰
Bathyurus (Raymondites) missouriensis ♰ Swisher, 2015
Bathyurus (Raymondites) spiniger ♰ Clarke, 1894
Bellacartwrightia pleione ♰ Hall, 1861
Benthamaspis mediacrista ♰ CULLISON, 1944
Berkeia jucunda ♰
Blairella sedaliensis ♰ Miller & Gurley, 1896
Bolbocephalus jeffersonensis ♰ CULLISON, 1944
Bonneterrina prima ♰ LOCHMAN, 1936
Brachymetopus spinosiformis ♰
Brassicicephalus pulchellus ♰ LOCHMAN, 1940
Breviphillipsia semiteretis ♰
Bumastoides billingsi ♰ Raymond, 1908
Bumastus billingsi ♰ Raymond & Na..., 1908
Bumastus graftonensis ♰ Meek, 1870
Bumastus rowleyi ♰ FOERSTE, 1920
Bumastus trentonensis ♰ Clarke, 1894
Burnetiella alta ♰ Resser, 1942
Buttsia drabensis ♰ Wilson, 1951
Bynumia lirae ♰
Bynumina caelata ♰ Resser, 1942
Bynumina lirae ♰ Kurtz, 1975
Calocephalites minimus ♰
Calocephalites vulgaris ♰ Kurtz, 1975
Calvinella ozarkensis ♰
Calyptaulax callicephala ♰ Hall, 1847
Cedarina vale ♰ LOCHMAN, 1940
Ceraurus bispinosus ♰ Raymond & Ba..., 1913
Ceraurus globulobatus ♰ Bradley, 1930
Ceraurus platinensis ♰
Ceraurus pleurexanthemus ♰ Green, 1832
Cheirurus niagarensis ♰ Hall, 1868
Cliffia wilsoni ♰
Comanchia amplooculata ♰
Conaspis perseus ♰
Coosella prolifica ♰ LOCHMAN, 1936
Coosia magna ♰ LOCHMAN, 1940
Cryptolithus tesselatus ♰ Green, 1832
Cullisonia producta ♰ CULLISON, 1944
Cyphaspis globosus ♰ Bradley, 1930
Deadwoodia panope ♰
Deckera aldenensis ♰ FREDERICKSON, 1949
Dimeropyge tumidus ♰ Bradley, 1930
Ditomopyge decurtata ♰ GHEYSELINCK, 1937
Ditomopyge scitula ♰ Meek, 1865
Dolichoharpes uniserialis ♰ Raymond, 1925
Drabia acroccipita ♰ Wilson, 1951
Drabia curtoccipita ♰ Wilson, 1951
Edithiella missouriensis ♰ Kurtz, 1975
Eldredgeops rana ♰ Green, 1832
Elliptophillipsia rotundus ♰
Elvinia roemeri ♰ Shumard, 1861
Elyaspis missouriensis ♰ Kurtz, 1975
Entomaspis radiatus ♰ Ullrich, 1930
Eobronteus slocomi ♰ Bradley, 1930
Eomonorachus intermedius ♰ Walcott, 1877
Erratencrinurus vigilans ♰ Hall, 1847
Euptychaspis typicalis ♰ ULRICH, 1931
Flexicalymene meeki ♰ FOERSTE, 1910
Flexicalymene senaria ♰ Conrad, 1841
Genevievella modesta ♰
Genevievella neunia ♰ LOCHMAN, 1936
Genevievella tumida ♰
Hemiarges bartoni ♰ Raymond, 1925
Hemiarges leviculus ♰ Bradley, 1930
Hemiarges paulianus ♰ Clarke, 1894
Holia magnaspina ♰ Bradley, 1930
Homotelus laeviurus ♰ Raymond, 1921
Housia ovata ♰ Palmer, 1960
Hypodicranotus striatulus ♰ Walcott, 1875
Hystricurus abruptus ♰
Hystricurus deflectus ♰ Heller, 1954
Hystricurus elevatus ♰ Heller, 1954
Hystricurus missouriensis ♰
Iddingsia missouriensis ♰
Illaenus ambiguus ♰
Illaenus daytonensis ♰ HALL & WHITF..., 1875
Irvingella flohri ♰ Resser, 1942
Irvingella major ♰ ULRICH & RESSER, 1924
Isotelus bradleyi ♰ Amati, 2014
Isotelus gigas ♰ Dekay, 1824
Isotelus iowensis ♰ Owen, 1852
Isotelus kimmswickensis ♰ Bradley, 1930
Isotelus maximus ♰ Locke, 1838
Jeffersonia bridgei ♰ Heller, 1954
Jeffersonia granosa ♰ CULLISON, 1944
Jeffersonia jenni ♰ CULLISON, 1944
Jeffersonia missouriensis ♰
Kendallina biforota ♰
Kingstonia apion ♰ Walcott, 1924
Kingstonia spicata ♰ LOCHMAN, 1940
Kingstonia walcotti ♰ Resser, 1938
Kinsabia variegata ♰ LOCHMAN, 1940
Kirkella indentata ♰ Gunnell, 1933
Kirkella typicalis ♰ Gunnell, 1933
Komaspidella laevis ♰ Rasetti, 1961
Kormagnostus esterius ♰
Kormagnostus seclusus ♰ Walcott, 1884
Kormagnostus senatus ♰
Kormagnostus splendens ♰
Lichas ferrisi ♰ Weller, 1907
Lutesvillia bispinosa ♰ CULLISON, 1944
Menomonia modesta ♰
Metaphillipsia bufo ♰ Meek & Worthen, 1870
Meteoraspis delia ♰
Millardia avitas ♰
Norwoodella halli ♰ Resser, 1938
Norwoodia bonneterrensis ♰
Norwoodia fillia ♰
Norwoodina tenera ♰
Norwoodina tunda ♰
Odontochile dunbari ♰
Oncagnostus tumidosus ♰ Hall, 1877
Paciphacops logani ♰ Hall, 1860
Paladin mucronatus ♰ Girty, 1910
Parabolinoides hebe ♰
Parahousia constricta ♰ Palmer, 1960
Paraplethopeltis minuta ♰ Heller, 1954
Pelicephalis lochmani ♰
Pelicephalus lochmani ♰ Kurtz, 1975
Pemphigaspis bullata ♰ Hall, 1862
Perexigupyge chouteauensis ♰
Phacops latifrons ♰ Bronn, 1825
Phillipsia tuberculata ♰ Hessler, 1963
Plethopeltis buehleri ♰
Plethopeltis platymarginatus ♰ Ulrich, 1930
Prochuangia berryi ♰
Proetus (Crassiproetus) crassimarginatus ♰ Hall, 1843
Proetus canaliculatus ♰ Hall, 1861
Proetus canalis ♰ Bradley, 1930
Proetus missouriensis ♰ Shumard, 1855
Pseudagnostus communis ♰ HALL & WHITF..., 1877
Pseudosaratogia davisi ♰
Pseudosaratogia lata ♰ Wilson, 1951
Pterocephalia oriens ♰
Pterocephalia sanctisabae ♰ Roemer, 1852
Pterygometopus callicephalus ♰ Clarke, 1894
Ptychocephalus indentata Gunnell, 1933
Ptychocephalus typicalis Gunnell, 1933
Pudoproetus missouriensis ♰ Shumard, 1855
Pulchricapitus davis ♰
Pulchricapitus davisi ♰ Kurtz, 1975
Rananasus conicus ♰ CULLISON, 1944
Remopleurides missouriensis ♰ FOERSTE, 1920
Richterella hessleri ♰
Richterella snakedenensis ♰ Hessler, 1965
Rollia goodwini ♰ CULLISON, 1944
Sceptaspis lincolnensis ♰ Branson, 1909
Solenoparia (Plesisolenoparia) primitia ♰ Zhang & Yuan, 1980
Sphaerexochus romingeri ♰ Hall, 1868
Sphaerocoryphe arachniformis ♰ Bradley, 1930
Stenochilina spinifera ♰ Ulrich, 1930
Stenopilus latus ♰ Ulrich, 1930
Strigigenalis crassimarginata ♰ CULLISON, 1944
Syspacheilus camurus ♰ LOCHMAN, 1940
Taenicephalus shumardi ♰ Hall, 1863
Thaleops depressicapitata ♰ Bradley, 1930
Triarthropsis nitida ♰ Ulrich, 1930
Tricrepicephalus blountensis ♰
Tricrepicephalus davidi ♰
Tricrepicephalus natalia ♰
Tricrepicephalus paracomus ♰
Tricrepicephalus rex ♰ LOCHMAN, 1940
Triproetus tumidus ♰ BREZINSKI, 1992
Xenocheilos orthos ♰
Xenocheilos spineum ♰ Wilson, 1951

Subnodes of Trilobita with occurrences in Missouri
OrderAgnostida ♰
Salter, 1864
3
4
7
Families
Genera
Species

Taxom

OrderAsaphida ♰
Salter, 1864
10
35
37
Families
Genera
Species

Taxom

OrderCorynexochida ♰
Kobayashi, 1935
7
21
20
Families
Genera
Species

Taxom

OrderHarpetida ♰
Ebach & McNamara, 2002
2
2
2
Families
Genera
Species

Taxom

OrderLichida ♰
Moore, 1959
2
4
9
Families
Genera
Species

Taxom

OrderOdontopleurida ♰
Whittington, 1959
1
1
0
Family
Genus
Species

Taxom

OrderPhacopida ♰
Salter, 1864
9
27
22
Families
Genera
Species

Taxom

OrderProetida ♰
Fortey & Owens, 1975
8
33
35
Families
Genera
Species

Taxom

OrderPtychopariida ♰
Swinnerton, 1915
17
37
50
Families
Genera
Species

Taxom



Links, sources and further information
Trilobita at ps-19.org
Trilobita at trilobites.info
Trilobita at westerntrilobites.com
Trilobita at gbif.org
Trilobita at irmng.org