Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Cheilocephalidae

Trilobita - Corynexochida - Cheilocephalidae

Synonymy list
YearName and author
1956Cheilocephalidae Shaw
1997Cheilocephalidae Whittington et al. p. 299
2002Cheilocephalidae Jell and Adrain p. 468
2011Cheilocephalidae Adrain p. 108

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderCorynexochida
familyCheilocephalidaeShaw 1956
familyCheilocephalidaeShaw 1956

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. †Cheilocephalidae Shaw 1956
show all | hide all
G. †Aksayaspis Ergaliev 2001
hide
Aksayaspis convexus Ergaliev 2001
G. †Cheilocephalus Berkey 1898
hide
Cheilocephalus brachyops Palmer 1965
Cheilocephalus brevilobus Walcott 1916
+
Invalid names: Pseudolisania maschi Lochman 1938 [synonym], Pseudolisania texana Lochman 1938 [synonym]
Cheilocephalus minutus Palmer 1954
Invalid names: Pseudolisania Kobayashi 1935 [synonym]
G. †Emsurella Rozova 1960
G. †Eotaitzuia Zhang et al. 1980
hide
Eotaitzuia shuiyuensis Zhang et al. 1980
G. †Lecanoaspis Ivshin 1962
G. †Macelloura Resser 1935
hide
Macelloura dia Walcott 1890
G. †Oligometopus Resser 1936
hide
Oligometopus breviceps Walcott 1884
Oligometopus contractus Palmer 1965
Invalid names: Bernicella Frederickson 1949 [synonym]
G. †Parakoldinia Rozova 1960
hide
Parakoldinia kureiskaya Rozova 1963
Parakoldinia paichiaensis Kobayashi 1933
Parakoldinia salairica Sivov 1955
Parakoldinia striata Rozova 1960
G. †Pseudokingstonia Palmer 1965
hide
Pseudokingstonia exotica Palmer 1965
G. †Pseudokoldinia Rozova 1968
hide
Pseudokoldinia gloriosa Rozova 1968
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedf
Created: 2009-12-14 06:17:25
Modified: 2009-12-14 08:17:25
Source: f = family, o = order, c = class
References: Whittington et al. 1997, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Taijangian to the top of the Mansian or 509.00000 to 485.00000 Ma

Collections (120 total)


Time interval Ma Country or state Original ID and collection number
Taijangian509.0 - 504.5China (Shanxi) Eotaitzuia shuiyuensis (125216)
Taijangian509.0 - 504.5China (Shandong) Eotaitzuia shuiyuensis (124906)
Mayan504.5 - 499.5Kazakhstan (Balkhash) Parakoldinia sp. (118221)
Menevian504.5 - 499.5USA (South Dakota) Cheilocephalus sp. (8239)
Menevian - St Davids504.5 - 497.0USA (South Dakota) Cheilocephalus sp. (8199)
Taoyuanian498.5 - 485.4Russian Federation (Krasnoyar) Parakoldinia sp. (132590 132591)
Taoyuanian498.5 - 485.4China (Hunan) Parakoldinia paichiaensis (126717)
Maentwrogian497.0 - 496.8USA (South Dakota) Cheilocephalus sp. (8937)
Maentwrogian497.0 - 496.8USA (California) Cheilocephalus sp. (44746)
Ensyan497.0 - 495.0Russian Federation (Krasnoyar) Parakoldinia salairica (131345 131423) Parakoldinia salairica, Parakoldinia striata (131093 131094) Parakoldinia striata (131072 131400 131409)
Maduan497.0 - 495.0Russian Federation (Krasnoyar) Parakoldinia kureiskaya (131069 131070 131071 131344 131420) Parakoldinia sp. (131399)
Paibian497.0 - 494.0USA (Texas) Cheilocephalus breviloba (208656 208674 208687 208690 208692 208701 208747 208748 208979 208980 208982 208983) Cheilocephalus minutus (208655 208991)
Steptoean497.0 - 493.5USA (Nevada) Cheilocephalus brachyops (114293 114298 114606 114608) Cheilocephalus brachyops, Oligometopus contractus (114296 114605) Cheilocephalus brevilobus (111321 114288 114592 114593) Cheilocephalus granulosus (110440 114291 114292) Cheilocephalus sp. (75738) Pseudokingstonia exotica, Cheilocephalus brevilobus (110632)
Steptoean497.0 - 493.5Canada (Alberta) Cheilocephalus wichitaensis (54078) Pseudokingstonia exotica (54076)
Steptoean497.0 - 493.5USA (Montana) Cheilocephalus brevilobus (8662)
Steptoean497.0 - 493.5USA (Minnesota) Cheilocephalus stcroixensis (156300)
Steptoean497.0 - 493.5USA (Vermont) Oligometopus vermontensis (8977)
Steptoean497.0 - 493.5USA (South Dakota) Cheilocephalus brevilobus (7293 7376 7378 7685 8022)
Steptoean497.0 - 493.5USA (Pennsylvania) Cheilocephalus quadratus (9263)
Steptoean497.0 - 493.5USA (Nevada and Utah) Cheilocephalus brachyops (74910)
Sakian497.0 - 492.8Kazakhstan Aksayaspis convexus (118264 118304 118305 118310 118313 118331 118333 118344) Aksayaspis elegantus (118373 118379 118380)
Dresbachian497.0 - 485.4Canada (Yukon) Cheilocephalus brevilobus (55223 55280) Cheilocephalus granulosus (55278)
Dresbachian497.0 - 485.4USA (Nevada) Cheilocephalus sp. (241)
Dresbachian497.0 - 485.4USA (South Dakota) Cheilocephalus brevilobus (7185 7194)
Dresbachian497.0 - 485.4USA (South Dakota ) Cheilocephalus sp. (235)
Dresbachian497.0 - 485.4USA (Montana) Cheilocephalus sp. (236)
Dresbachian497.0 - 485.4USA (Wyoming) Cheilocephalus delandi (56145 56146) Cheilocephalus sp. (8954)
Dresbachian497.0 - 485.4USA (Alaska) Cheilocephalus expansus (64801 64805) Cheilocephalus sp. (64802 225280) Oligometopus breviceps (225279)
Franconian497.0 - 485.4USA (Indiana) Cheilocephalus sp. (245)
Franconian497.0 - 485.4USA (Missouri) Cheilocephalus sp. (9191)
Franconian497.0 - 485.4Canada (Newfoundland) Cheilocephalus sp., Oligometopus sp. (197982)
Franconian497.0 - 485.4USA (Arkansas) Cheilocephalus brachyops, Pseudokingstonia exotica (77107)
Franconian497.0 - 485.4USA (Virginia) Cheilocephalus sp. (62199)
Furongian497.0 - 485.4USA (Texas) Cheilocephalus sp. (156274)
Furongian497.0 - 485.4USA (California) Cheilocephalus brachyops (226277) Cheilocephalus sp. (226274 226278)
Furongian497.0 - 485.4USA (Arkansas) Cheilocephalus brachyops (229193) Cheilocephalus brachyops, Pseudokingstonia exotica (229131 229194 229196)
Furongian497.0 - 485.4USA (Utah) Cheilocephalus sp. (156411 156458)
Furongian - Tremadocian497.0 - 477.7Russian Federation (Siberia) Parakoldinia sp. (205378)
Yurakian495.0 - 485.4Russian Federation (Krasnoyar) Parakoldinia salairica (131346 131401 131410 131424)
Aksaian492.8 - 491.5Kazakhstan Aksayaspis elegantus (118382)
Dolgellian492.5 - 485.4USA (Pennsylvania) Cheilocephalus quadratus (62086 62095)
Niuchehean489.5 - 485.4China (Hunan) Parakoldinia shenjiawanensis, Parakoldinia tholimorpha (126730) Parakoldinia sp. (126726) Parakoldinia tholimorpha (107335)
Mansian485.4 - 485.0Russian Federation (Siberia) Pseudokoldinia sp. (9273 9287)
Mansian485.4 - 485.0Russian Federation (Krasnoyar) Pseudokoldinia gloriosa (131103)