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Pterocephaliinae

Trilobita - Olenida - Pterocephaliidae

Synonymy list
YearName and author
1960Pterocephaliinae Palmer p. 84
2011Pterocephaliinae Hopkins p. 1144

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderOlenida
familyPterocephaliidaeKobayashi 1935
subfamilyPterocephaliinae
subfamilyPterocephaliinae

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.

Subfm. †Pterocephaliinae Palmer 1960
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G. †Cernuolimbus Palmer 1960
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†Cernuolimbus arcticus Palmer 1968
†Cernuolimbus depressus Palmer 1960
†Cernuolimbus granulosus Palmer 1965
†Cernuolimbus laevifrons Palmer 1965
†Cernuolimbus monilis Stitt et al. 1994
†Cernuolimbus orygmatos Palmer 1960
G. †Pterocephalia Roemer 1849
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†Pterocephalia concava Palmer 1960
†Pterocephalia elongata Palmer 1960
†Pterocephalia punctata Palmer 1965
†Pterocephalia tenura Rozova 1963
†Ptychoparia (Pterocephalus) laticeps Hall and Whitfield 1877
G. †Sigmocheilus Palmer 1960
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†Sigmocheilus compressus Palmer 1968
†Sigmocheilus delicatus Lazarenko 1968
†Sigmocheilus flabellifer Hall and Whitfield 1877
+
Invalid names: Sigmocheilus serratus Palmer 1960 [synonym]
†Sigmocheilus grata Resser 1942
G. †Strigambitus Palmer 1965
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†Strigambitus bilobus Palmer 1965
†Strigambitus blepharina Palmer 1965
†Strigambitus transversus Palmer 1965
†Strigambitus utahensis Resser 1942
Diagnosis
ReferenceDiagnosis
M. J. Hopkins 2011Palmer (1965b) is sufficient.
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-12-13 23:06:36
Modified: 2009-12-14 01:06:36
Source: f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Maduan to the top of the Sakian or 497.00000 to 492.80000 Ma

Collections (117 total)


Time interval Ma Country or state Original ID and collection number
Maduan497.0 - 495.0Russian Federation (Krasnoyar) Pterocephalia tenura (131069)
Paibian497.0 - 494.0USA (Texas) Pterocephalia occidens (208736 208826 208979)
Steptoean497.0 - 493.5USA (Texas) Pterocephalia sp. (237)
Steptoean497.0 - 493.5USA (Nevada and Utah) Sigmocheilus notha, Pterocephalia concava, Cernuolimbus granulosus, Pterocephalia punctata (74910)
Steptoean497.0 - 493.5USA (Arkansas) Cernuolimbus monilis, Pterocephalia sanctisabae (225281)
Steptoean497.0 - 493.5Canada (Alberta) Pterocephalia sanctisabae (54078)
Steptoean497.0 - 493.5USA (Nevada) Cernuolimbus depressus, Pterocephalia concava (122140) Cernuolimbus depressus, Strigambitus utahensis (110447) Cernuolimbus granulosus (122134 122135) Cernuolimbus granulosus, Pterocephalia punctata (111324 122136) Cernuolimbus laevifrons (110445) Cernuolimbus orygmatos (75269) Cernuolimbus orygmatos, Cernuolimbus semigranulosus (75268) Cernuolimbus orygmatos, Sigmocheilus utahensis (75270) Cernuolimbus orygmatos, Strigambitus bilobus (122139) Pterocephalia elongata, Sigmocheilus grata (75271) Pterocephalia sanctisabae (111329 113394 113395 113396 114297 114298 114304 114605 114607 114608) Sigmocheilus flabellifer (110624 110627 110628 110629 111327 111328 114301) Sigmocheilus grata (75272) Sigmocheilus notha (110621 122141) Sigmocheilus notha, Pterocephalia concava (110448) Sigmocheilus notha, Pterocephalia elongata (110449) Sigmocheilus notha, Sigmocheilus grata (110622) Sigmocheilus pogonipensis (111326) Sigmocheilus pogonipensis, Pterocephalia sanctisabae (114296) Sigmocheilus pogonipensis, Sigmocheilus flabellifer (110625 110626) Sigmocheilus serratus, Pterocephalia sanctisabae (75273) Strigambitus transversus (114601 114603) Strigambitus utahensis (110446 122138)
Steptoean497.0 - 493.5Canada (British Columbia) Cernuolimbus ludvigseni (219685) Pterocephalia norfordi (54074)
Sakian497.0 - 492.8Russian Federation (Siberia) Sigmocheilus delicatus (225283)
Dresbachian497.0 - 485.4USA (Alaska) Cernuolimbus arcticus (225279 225280) Pterocephalia constricta, Cernuolimbus longifrons, Sigmocheilus compressus (64800) Sigmocheilus compressus (64799)
Dresbachian497.0 - 485.4USA (California) Strigambitus blepharina (226675 226676)
Dresbachian497.0 - 485.4USA (Nevada) Pterocephalia sp., Cernuolimbus sp., Sigmocheilus sp. (241) Sigmocheilus sp., Strigambitus sp. (240)
Dresbachian497.0 - 485.4Canada (Yukon) Cernuolimbus depressus (55224 55277) Cernuolimbus orygmatos (55233) Cernuolimbus pegakanthodes, Cernuolimbus orygmatos, Sigmocheilus flabellifer (55225)
Franconian497.0 - 485.4USA (Montana) Pterocephalia sp. (242 243 246)
Franconian497.0 - 485.4USA (Indiana) Pterocephalia sp. (245)
Franconian497.0 - 485.4USA (Wyoming) Pterocephalia bridgei (8952)
Franconian497.0 - 485.4USA (Arkansas) Pterocephalia sanctisabae (77107)
Franconian497.0 - 485.4Canada (Newfoundland) Pterocephalia sp. (197982)
Franconian497.0 - 485.4Canada (British Columbia) Pterocephalia sp. (50595)
Franconian497.0 - 485.4USA (Missouri) Pterocephalia sanctisabae (9194 9200 9203) Pterocephalia sanetisabae (9154)
Franconian - Dolgellian497.0 - 485.4USA (Missouri) Pterocephalia sanctisabae (9586)
Furongian497.0 - 485.4USA (Arkansas) Pterocephalia sanctisabae (229130 229131 229194 229196 229198) Pterocephalia santisabae (229128 229133 229195)
Furongian497.0 - 485.4USA (Utah) Cernuolimbus granulosus (156451) Pterocephalia sp. (156434 156445 156472) Strigambitus sp. (156392 156395 156447 156474) Strigambitus utahensis (156448 156449)
Furongian497.0 - 485.4USA (California) Cernuolimbus granulosus (226280) Pterocephalia punctata (226281) Sigmocheilus sp. (226277) Strigambitus blepharina (226278 226282 226284) Strigambitus utahensis (226276 226279)
Furongian497.0 - 485.4USA (Texas) Pterocephalia canctisabae (156283) Pterocephalia sanctisabae (156260 156264 156295 156313 156335 156342 156348 156349)
Furongian497.0 - 485.4USA (Oklahoma) Pterocephalia santisabae (229191)
Sunwaptan493.5 - 487.5Canada (Alberta) Pterocephalia sanctisabae (54077)