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Cheiruridae

Trilobita - Phacopida - Cheiruridae

Synonyms
Synonymy list
YearName and author
1847Cheiruridae Hawle and Corda
1925Holotrachelidae Warburg
1933Cheiruridae Phleger, Jr. p. 14
1957Cheiruridae Harrington and Leanza
1961Cheiruridae Nikolaisen
1997Cheiruridae Whittington et al. p. 300
1997Holotrachelidae Whittington et al. p. 300
1999Cheiruridae Edgecombe et al.
2003Cheiruridae Peters
2005Cheiruridae Hansen
2011Cheiruridae Adrain p. 106
2011Holotrachelidae Adrain p. 106
2021Cheiruridae Perez-Peris et al. p. 859

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
familyCheiruridaeHawle and Corda 1847

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. †Cheiruridae Hawle and Corda 1847
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Subfm. †Acanthoparyphinae Whittington and Evitt 1953
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G. †Acanthoparypha Whittington and Evitt 1953
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Acanthoparypha chiropyga Whittington and Evitt 1953
Acanthoparypha echinoderma Chatterton and Ludvigsen 1976
Acanthoparypha evitti Chatterton and Ludvigsen 1976
Acanthoparypha goniopyga Ludvigsen 1979
Acanthoparypha perforata Whittington and Evitt 1953
G. †Nieszkowskia Schmidt 1881
+
Nieszkowskia cephaloceras Nieszkowski 1857
Nieszkowskia cephaloceros Nieszkowski 1857
Nieszkowskia excelsus Raymond 1925
Nieszkowskia jakei Edgecombe et al. 1999
Nieszkowskia norvegica Nikolaisen 1961
Nieszkowskia satyrus Billings 1865
Nieszkowskia tumida Angelin 1854
Nieszkowskia yongyii Edgecombe et al. 1999
G. †Pandaspinapyga Esker and Levin 1964
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Pandaspinapyga dactyla Chatterton and Ludvigsen 1976
Pandaspinapyga salsa Esker, III 1964
G. †Actinopeltis Hawle and Corda 1847
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Actinopeltis spjeldnaesi Hammann 1972
G. †Anasobella Campbell 1967
G. †Ancyginaspis Pribyl and Vanek 1985
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Ancyginaspis priscus Tjernvik 1956
G. †Arcticeraurinella Pribyl et al. 1985
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Arcticeraurinella arctica Ludvigsen 1979
G. †Areia Barrande 1868
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Areia bohemica Barrande 1868
G. †Areiaspis Přibyl and Vaněk 1964
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Areiaspis barrandei Novák and Perner 1918
G. †Borealaspis Ludvigson 1976
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Borealaspis biformis Ludvigsen 1976
Borealaspis numitor Billings 1866
Borealaspis whittakerensis Ludvigsen 1976
Invalid names: Alreboaspis Pribyl and Vanek 1985 [synonym]
G. †Bornholmaspis Pribyl and Vanek 1983
G. †Ceraurinium Pribyl et al. 1985
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Ceraurinium intermedia Kielan 1955
G. †Cerauromeros Pribyl and Vanek 1985
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Cerauromeros hydei Weller 1907
G. †Cerauropeltis Pribyl and Vanek 1985
+
Cerauropeltis ruedemanni Raymond 1916
G. †Ceraurus Green 1832
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Subg. †Ceraurus (Pseudosphaerexochus) Schmidt 1881
Ceraurus angustus Raymond 1925
Ceraurus blussoni Ludvigsen 1979
Ceraurus gabrielsi Ludvigsen 1979
Ceraurus globulobatus Bradley 1930
Ceraurus granulosus Raymond and Barton 1913
Ceraurus hirsuitus Ludvigsen 1979
Ceraurus hudsoni Raymond 1905
Ceraurus infrequens Phleger, Jr. 1933
Ceraurus intermedia Kielan 1955
Ceraurus latifrons Warburg 1925
Ceraurus mackenziensis Ludvigsen 1979
Ceraurus maewestoides Ludvigsen 1979
Ceraurus matranseris Sinclair 1947
Ceraurus milleranus Miller and Gurley 1897
Ceraurus ruidus Cooper 1953
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Invalid names: Ceraurus (Eoceraurus) trapezoidalis Esker, III 1964 [synonym], Ceraurus breviceps Cooper 1953 [synonym], Ceraurus convexus Cooper 1953 [synonym]
Ceraurus serratus Ludvigsen 1979
Ceraurus tenuicornis Raymond 1925
Ceraurus tuberosus Troedsson 1928
Ceraurus whittingtoni Evitt 1953
Invalid names: Bufoceraurus Hessin 1989 [synonym], Eoceraurus Esker, III 1964 [synonym]
G. †Chacomurus Branisa and Vanek 1973
Subfm. †Cheirurinae Hawle and Corda 1847
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G. †Azyptyx Holloway 1991
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Azyptyx toongabbiensis Holloway 1991
G. †Ceraurinella Cooper 1953
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Ceraurinella biformis Maksimova 1955
Ceraurinella brevispina Ludvigsen 1979
Ceraurinella chondra Whittington and Evitt 1953
Ceraurinella frequens Chugaeva 1968
Ceraurinella intermedia Kielan 1955
Ceraurinella kasachstanica Tschugaeva 1958
Ceraurinella kingstoni Chatterton and Ludvigsen 1976
Ceraurinella latipyga Shaw 1968
Ceraurinella longispina Ludvigsen 1979
Ceraurinella media Ludvigsen 1979
Ceraurinella nahanniensis Chatterton and Ludvigsen 1976
Ceraurinella necra Ludvigsen 1979
Ceraurinella oepiki Edgecombe et al. 1999
Ceraurinella polydorus Billings 1865
Ceraurinella pompilia Billings 1865
Ceraurinella scofieldi Clarke 1897
Ceraurinella seriata Ludvigsen 1979
Ceraurinella typa Cooper 1953
Ceraurinella zhoui Edgecombe et al. 1999
Invalid names: Bartoninus Tripp 1962 [synonym]
G. †Ceraurinus Barton 1913
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Ceraurinus daedalus Cox 1933
Ceraurinus glabra Whittington 1954
Ceraurinus icarus Billings 1860
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Invalid names: Ceraurinus elongatus Schuchert and Cooper 1930 [synonym]
Ceraurinus marginatus Barton 1913
Ceraurinus platycanthus Bradley 1930
Invalid names: Remipyga Whittington 1954 [synonym]
G. †Crotalocephalina Pibyl and Vanek 1964
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Subg. †Crotalocephalina (Crotalocephalina) Pribyl and Vanek 1964
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Crotalocephalina chlupaci Přibyl and Vaňek 1962
Crotalocephalina gibbus Beyrich 1845
Crotalocephalina globifrons Hawle and Corda 1847
Invalid names: Gibbocephalus Pillet 1965 [objective synonym], Mezocrotalus Maksimova 1978 [synonym]
G. †Hadromeros Lane 1971
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Hadromeros clasonii Törnquist 1905
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Invalid names: Cheirurus speciosus Törnquist 1884 [synonym]
Hadromeros elongatus Reed 1931
Hadromeros subulatus Linnarsson 1869
Hadromeros toernquisti Warburg 1925
G. †Leviceraurus Hessin 1988
+
G. †Paraceraurus Männil 1958
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Paraceraurus aculeatus Eichwald 1860
Paraceraurus helgoeyensis Nikolaisen 1961
Paraceraurus perlongus Brøgger 1882
G. †Cheirurus Beyrich 1845
+
Subg. †Cheirurus (Crotalocephalina) Pibyl and Vanek 1964
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Cheirurus (Crotalocephalina) oxina Holloway and Neil 1982
Subg. †Cheirurus (Pseudosphaerexochus) Schmidt 1881
Cheirurus clasonii Törnquist 1905
Cheirurus dilatatus Raymond 1916
Cheirurus glaber Angelin 1854
Cheirurus juvenis Salter 1848
Cheirurus marianus Verneuil and Barrande 1855
Cheirurus niagarensis Hall 1868
+
Invalid names: Ceraurus insignis Hall 1852 [synonym]
Cheirurus nuperus Billings 1866
Cheirurus patens Raymond 1916
Cheirurus punctatus Angelin 1854
Cheirurus tarquininus Billings 1863
Cheirurus welleri Raymond 1916
G. †Crotalocephalus Salter 1853
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Crotalocephalus affinis Hawle and Corda 1847
Crotalocephalus albertii Pribyl and Vanek 1984
Crotalocephalus maurus Alberti 1966
Crotalocephalus pauper Barrande 1852
Crotalocephalus silverdalensis Etheridge and Mitchell 1917
Crotalocephalus struszi Chatterton and Wright 1986
Invalid names: Cerauroides Prantl and Pribyl 1947 [synonym], Pilletopeltis Pillet 1973 [synonym]
G. †Chiozoon Lane 1972
G. †Contracheirurus Chatterton and Perry 1984
+
G. †Crotalocephalides Alberti 1967
Subfm. †Cyrtometopinae Oepik 1937
+
G. †Cyrtometopella Nikolaisen 1961
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Cyrtometopella askerensis Nikolaisen 1961
Cyrtometopella rosenthali Schmidt 1881
Cyrtometopella tumula Nikolaisen 1961
G. †Cyrtometopus Angelin 1854
+
Cyrtometopus clavifrons Dalman 1827
G. †Deiphon Barrande 1846
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Deiphon angelini Warburg 1925
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Invalid names: Deiphon forbesi Törnquist 1884 [synonym], Deiphon laevis Angelin 1854 [synonym]
Deiphon barrandei Whittard 1934
Subfm. †Deiphoninae Raymond 1913
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G. †Sphaerocoryphe Angelin 1854
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Sphaerocoryphe dentata Angelin 1854
Sphaerocoryphe gemina Tripp et al. 1997
Sphaerocoryphe granulata Angelin 1854
Sphaerocoryphe kingi Ingham 1974
Sphaerocoryphe longispina Tripp et al. 1997
Sphaerocoryphe ludvigseni Chatterton 1980
Sphaerocoryphe major Ruedemann 1901
Sphaerocoryphe psiles Tripp 1954
Sphaerocoryphe punctata Angelin 1854
+
Invalid names: Deiphon punctatus Wiman 1907 [synonym]
Sphaerocoryphe robusta Walcott 1875
G. †Didrepanon Lane 1971
Subfm. †Eccoptochilinae Lane 1971
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G. †Eccoptochile Hawle and Corda 1847
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Subg. †Eccoptochile (Eccoptochile) Hawle and Corda 1847
Subg. †Eccoptochile (Eccoptochiloides) Prantl and Pribyl 1947
Eccoptochile almaldensis Romano 1980
Eccoptochile clavigera Beyrich 1845
Eccoptochile guillieri Tromelin 1873
Eccoptochile impedita Hammann 1972
Eccoptochile mariana Verneuil and Barrande 1855
+
Invalid names: Cheirurus guillieri Tromelin 1873 [synonym]
Eccoptochile perlata Hawle and Corda 1847
Eccoptochile scuticauda Barrande 1846
Invalid names: Eccoptochiloides Prantle and Pribyl 1948 [synonym]
G. †Forteyops Pribyl et al. 1985
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Forteyops sexapugia Ross 1951
G. †Foulonia Pribyl and Vanek 1985
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Foulonia peregrina Dean 1966
G. †Gabriceraurus Pribyl and Vanek 1985
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Gabriceraurus dentatus Raymond and Barton 1913
G. †Hammannopyge Pribyl and Vanek 1985
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Hammannopyge unica Thomson 1857
G. †Hapsiceraurus Whittington 1954
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Hapsiceraurus hispidus Whittington 1954
G. †Heliomera Raymond 1905
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Heliomera albata Whittington 1963
G. †Heliomeroides Evitt 1951
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Heliomeroides alacer Whittington 1963
Heliomeroides evitti Baldis and Pothe 1995
Heliomeroides freschaufae Chatterton 1980
Heliomeroides raymondi Bradley 1930
Heliomeroides teres Evitt 1951
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Invalid names: Heliomera chipperfieldi Tripp 1967 [synonym], Heliomeroides akocephala Shaw 1968 [synonym]
Heliomeroides treta Evitt 1951
G. †Hemisphaerocoryphe Reed 1896
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+
Invalid names: Staurocephalus granulatus Linnarsson 1869 [synonym]
Hemisphaerocoryphe inflatus Nikolaisen 1961
Invalid names: Ellipsocoryphe Lu 1975 [synonym]
G. †Holia Bradley 1930
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Holia anacantha Ludvigsen 1979
Holia cimelia Whittington and Evitt 1953
Holia glabra Adrain 1998
Holia magnaspina Bradley 1930
Holia secristi Whittington and Evitt 1953
Invalid names: Ainoa Mannil 1958 [synonym]
G. †Holotrachelus Holm 1898
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Holotrachelus punctillosus Törnquist 1884
G. †Hyrokybe Lane 1972
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Hyrokybe canadensis Billings 1866
Hyrokybe copelandi Perry and Chatterton 1979
Hyrokybe hadnagyi Chatterton and Perry 1984
Hyrokybe julli Chatterton and Perry 1984
Hyrokybe lenzi Chatterton and Perry 1984
Hyrokybe lightfooti Adrain 1998
Hyrokybe youngi Adrain 1998
Invalid names: Shiqiania Chang 1974 [synonym]
G. †Junggarella Xiang and Zhang 1981
G. †Kawina Barton 1916
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Kawina arnoldi Whittington 1963
Kawina chazyensis Raymond 1905
Kawina divergens Reed 1945
Kawina griphus Whittington 1963
Kawina limbata Whittington 1963
Kawina mercurius Billings 1865
Kawina prolificus Billings 1865
Kawina prominulus Whittington 1963
Kawina scrobiculus Whittington 1963
Kawina sinica Zhou et al. 2014
Kawina torulus Whittington 1963
Kawina trentonensis Clarke 1897
Kawina vulcanus Billings 1865
Kawina webbi Hintze 1953
Kawina wilsoni Ross, Jr. 1972
Invalid names: Cydonocephalus Whittington 1963 [synonym]
G. †Kolymella Chugaeva 1972
G. †Krattaspis Opik 1937
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Krattaspis paraspinosis Hansen 2010
G. †Ktenoura Lane 1971
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Ktenoura postrema Lane 1971
G. †Laneites Pribyl and Vanek 1985
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Laneites ingrica Schmidt 1881
Laneites polydorus Billings 1865
G. †Lehua Barton 1920
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Lehua argus Whittington 1963
G. †Onycopyge Woodward 1880
G. †Osekaspis Prantl and Pribyl 1947
G. †Parayoungia Chatterton and Perry 1984
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Parayoungia brennardi Chatterton and Perry 1984
Parayoungia eleyae Chatterton and Perry 1984
Parayoungia folinsbeei Chatterton and Perry 1984
Parayoungia mclaughlini Adrain 1998
Parayoungia tuberculata Chatterton and Perry 1984
Invalid names: Ichiyamella Kobayashi and Hamada 1986 [synonym]
G. †Parisoceraurus Zhou 1977
G. †Pateraspis Prantl and Pribyl 1947
G. †Patomaspis Ogienko 1974
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Patomaspis pictus Ogienko 1974
Subfm. †Pilekiinae Sdzuy 1955
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G. †Anacheirurus Reed 1896
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Anacheirurus adserai Vela and Corbacho 2007
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Invalid names: Lehua colli Vela 2007 [synonym], Lehua corbachoi Vela 2007 [synonym], Lehua iannacconnei Corbacho 2008 [synonym], Lehua ponti Vela 2007 [synonym], Lehua tahirii Corbacho 2008 [synonym], Lehua velai Corbacho 2008 [synonym]
Anacheirurus bohemicus Ruzicka 1926
Anacheirurus frederici Salter 1864
Anacheirurus nanus Mergl 1984
Anacheirurus plutonis Bulman and Rushton 1973
G. †Chashania Lu and Sun 1977
G. †Courtessolium Pribyl and Vanek 1985
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Courtessolium prepater Courtessole and Pillet 1975
G. †Demeterops Pribyl and Vanek 1985
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Demeterops loella Demeter 1973
G. †Emsurina Sivov 1955
G. †Eocheirurus Rozova 1960
G. †Koraipsis Kobayashi 1934
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Koraipsis spinus Kobayashi 1934
G. †Landyia Jell 1985
G. †Macrogrammus Whittard 1966
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Macrogrammus pengi Edgecombe et al. 1999
Macrogrammus rafi Edgecombe et al. 1999
G. †Metapilekia Harrington 1938
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Metapilekia bilirata Harrington 1938
G. †Metapliomerops Kobayashi 1934
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Metapliomerops extenuata Raymond 1924
G. †Parapilekia Kobayashi 1934
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Parapilekia atecae Hammann 1971
Parapilekia beattyana Holliday 1942
Parapilekia ferrigena Mergl 1994
Parapilekia jacquelinae Fortey 1980
Parapilekia olesnaensis Růžička 1935
Parapilekia sougyi Destombes et al. 1969
G. †Pilekia Barton 1915
+
Pilekia apollo Billings 1860
Pilekia trio Hintze 1953
G. †Pliomeroides Harrington and Leanza 1957
+
Pliomeroides deferrariisi Harrington 1938
G. †Pseudopliomera Lu and Qian 1978
G. †Seisonia Kobayashi 1934
+
Seisonia sphericauda Kobayashi 1934
G. †Sinoparapilekia Peng 1990
G. †Tesselacauda Ross 1951
+
Tesselacauda depressa Ross 1951
G. †Tienshihfuia Lu in Lu et al 1976
G. †Victorispina Jell 1985
G. †Yinaspis Zhang and Fan 1960
Invalid names: Sinoparapilekiini Peng 1990 [empty]
G. †Placoparina Whittard 1940
+
Placoparina sedgwickii M'Coy 1849
G. †Pompeckia Warburg 1925
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Pompeckia minor Warburg 1925
Pompeckia wegelini Angelin 1854
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Invalid names: Sphaerexochus wegelini Angelin 1854 [synonym]
G. †Proromma Lane 1971
+
Proromma bregmops Lane 1971
G. †Protocerauroides Chatterton and Perry 1984
G. †Pseudocheirurus Prantl and Pribyl 1947
+
Pseudocheirurus gomiensis Kobayashi and Hamada 1985
G. †Radiurus Ramskold 1983
+
Radiurus adraini Chatterton and Ludvigsen 2004
G. †Ratinkaspis Pribyl and Vanek 1977
+
Ratinkaspis bifurcatus Barrande 1852
G. †Reraspis Opik 1937
Subfm. †Sphaerexochinae Opik 1937
+
G. †Pseudosphaerexochus Schmidt 1881
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Pseudosphaerexochus bulbosus Nikolaisen 1965
+
Invalid names: Cheirurus conformis Törnquist 1884 [synonym]
+
Invalid names: Sphaerexochus granulatus Angelin 1854 [synonym]
Pseudosphaerexochus laticeps Linnarsson 1866
Pseudosphaerexochus zapata Adrain and Fortey 1997
Invalid names: Mayopyge Adrain and Fortey 1997 [synonym], Parasphaerexochus Chugaeva 1973 [synonym], Skelipyx Lane 1971 [synonym]
G. †Sphaerexochus Beyrich 1845
+
Sphaerexochus arenosis Chatterton and Ludvigsen 1977
Sphaerexochus arenosus Chatterton and Ludvigsen 1976
Sphaerexochus atacius Ludvigsen 1979
Sphaerexochus brandlyi Chatterton and Perry 1984
Sphaerexochus bridgei Cooper and Kindle 1936
Sphaerexochus calvus Mc Coy 1846
+
Invalid names: Sphaerexochus angustifrons Angelin 1854 [synonym], Sphaerexochus latirugatus Reed 1896 [synonym], Sphaerexochus mirus Beyrich 1845 [synonym]
Sphaerexochus desertus Billings 1865
Sphaerexochus dimorphus Whittington and Evitt 1953
Sphaerexochus discrepans Raymond 1925
Sphaerexochus eurys Tripp 1962
Sphaerexochus glaber Holloway 1980
Sphaerexochus hapsidotus Whittington and Evitt 1953
Sphaerexochus hiratai Kobayashi and Hamada 1974
Sphaerexochus hisingeri Warburg 1925
+
Invalid names: Calymene clavifrons Hisinger 1840 [synonym]
Sphaerexochus johnstoni Chatterton and Perry 1984
Sphaerexochus laciniatus Lindström 1885
Sphaerexochus latifrons Angelin 1854
Sphaerexochus molongloensis Chatterton and Campbell 1980
Sphaerexochus parvus Billings 1865
Sphaerexochus planirachis Kobayashi and Hamada 1974
Sphaerexochus pulcher Whittington and Evitt 1953
Sphaerexochus scabridus Angelin 1854
Sphaerexochus valcourensis Shaw and Bolton 2011
Invalid names: Sphaerometopus Angelin 1854 [nomen nudum]
G. †Stubblefieldia Prantl and Pribyl 1947
G. †Sycophantia Fortey 1980
+
Sycophantia seminosa Fortey 1980
G. †Turantyx Pribyl et al. 1985
+
Turantyx fritschi Barrande 1872
G. †Valongia Pribyl and Vanek 1984
G. †Whittakerites Ludvigsen 1976
+
Whittakerites planatus Ludvigsen 1976
G. †Xylabion Lane 1971
+
Xylabion craigensis Tripp 1954
G. †Xystocrania Whittington 1965
+
Xystocrania glaucus Billings 1865
Xystocrania perforator Billings 1865
+
Invalid names: Kawina unicornica Hintze 1953 [synonym]
Xystocrania pyriformis Ross, Jr. 1972
Invalid names: Xialiangshania Chen in Li et al 1975 [synonym]
G. †Youngia Lindström 1885
+
Youngia boucoti Chatterton and Perry 1984
Youngia johnsoni Chatterton and Perry 1984
Youngia kathyae Chatterton and Perry 1984
Youngia steineri Chatterton and Perry 1984
Youngia trispinosus Young 1868
G. †Zazvorkaspis Pribyl and Vanek 1964
+
Zazvorkaspis neutra Barrande 1872
Invalid names: Holotrachelidae Warburg 1925 [synonym], Sphaexerochinae Opik 1937 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Comments: BODY SIZE: Based on component genera; 11 of 12 genera share 10 to < 100 length, 11 of 12 share 10 to < 100 width JA: predatory according to Fortey and Owens 1999f
Created: 2009-06-11 14:43:11
Modified: 2012-08-27 07:38:08
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: base of the Cressagian to the top of the Givetian or 486.50000 to 382.70000 Ma

Collections (1285 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Furongian497.0 - 485.4Argentina Parapilekia sp. (115457)
Furongian - Tremadocian497.0 - 477.7Russian Federation (Siberia) Emsurina sp., Eocheirurus sp. (205378)
Ibexian487.5 - 470.0Norway (Spitsbergen) Kawina sexapugia (106472)
Cressagian486.5 - 482.0United Kingdom (England) Anacheirurus sp. (3712)
Tremadoc486.5 - 477.7Sweden Parapilekia sp. (3107)
Tremadoc486.5 - 477.7China (Shanxi Provence) Koraipsis shansiensis (157284)
Tremadoc486.5 - 477.7Canada (Alberta) Tesselacauda depressa (10994) Tesselacauda flabella (10986)
Tremadoc486.5 - 477.7Morocco Parapilekia olesnaensis (20998)
Tremadoc486.5 - 477.7France (Montagne Noire) Cyrtometopus sp. (20832 76572) Pateraspis sp. (20819)
Tremadoc486.5 - 477.7Argentina (Jujuy) Metapilekia bilirata (115664) Metapilekia bilirata, Pliomeroides deferrariisi (115662) Pliomeroides deferrariisi (115667 115668)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Late/Upper Emsian402.5 - 391.9Italy Cheirurus sternbergi (26247 26250 26253 26257)
Late/Upper Emsian - Eifelian402.5 - 387.7Morocco Cheirurus sternbergi (27114)
Eifelian393.3 - 387.7Germany (Rhineland-Palatinate) Crotalocephalus geesianus (188766)
Eifelian393.3 - 387.7Czech Republic (Koneprusy) Cheirurus affinis (12257)
Eifelian393.3 - 387.7Germany (Hessen) Crotalocephalus sp. (229648)
Eifelian393.3 - 387.7Morocco Cheirurus sternbergi (27120)
Eifelian393.3 - 387.7Czech Republic (Barrandia) Cheirurus affinis (12040)
Eifelian393.3 - 387.7Czech Republic Cheirurus affinis (10474)
Givetian387.7 - 382.7Germany Cheirurus neomyops (5907)
Early/Lower Frasnian383.7 - 382.4Russian Federation (Orenburgskaya Oblast) Crotalocephalus sp. (83918)