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Cheilocephalus

Trilobita - Corynexochida - Cheilocephalidae

Taxonomy
Cheilocephalus was named by Berkey (1898) [Sepkoski's age data: Cm Dres-u Cm Fran-l Sepkoski's reference number: 2,81,486]. It is not extant.

It was assigned to Cheilocephalidae by Jell and Adrain (2002); and to Corynexochida by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1898Cheilocephalus Berkey
1935Pseudolisania Kobayashi
2002Cheilocephalus Jell and Adrain p. 357
2002Cheilocephalus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderCorynexochida
familyCheilocephalidaeShaw 1956
genusCheilocephalusBerkey 1898

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.

G. †Cheilocephalus Berkey 1898
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†Cheilocephalus brachyops Palmer 1965
†Cheilocephalus brevilobus Walcott 1916
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Invalid names: Pseudolisania maschi Lochman 1938 [synonym], Pseudolisania texana Lochman 1938 [synonym]
†Cheilocephalus minutus Palmer 1954
Invalid names: Pseudolisania Kobayashi 1935 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedf
Comments: BODY SIZE: Data from Williams et al. (2002).g
Created: 2009-06-02 14:45:00
Modified: 2009-06-02 16:45:00
Source: g = genus, f = family, o = order, c = class
References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009, Hendy 2009

Age range: base of the Menevian to the top of the Dolgellian or 504.50000 to 486.85000 Ma

Collections (78 total)


Time interval Ma Country or state Original ID and collection number
Menevian504.5 - 499.5USA (South Dakota) C. sp. (8239)
Menevian - St Davids504.5 - 497.0USA (South Dakota) C. sp. (8199)
Paibian497.0 - 494.2USA (Texas) C. breviloba (208656 208674 208687 208690 208692 208701 208747 208748 208979 208980 208982 208983) C. minutus (208655 208991)
Maentwrogian497.0 - 493.6USA (South Dakota) C. sp. (8937)
Maentwrogian497.0 - 493.6USA (California) C. sp. (44746)
Steptoean497.0 - 493.5USA (Nevada and Utah) C. brachyops (74910)
Steptoean497.0 - 493.5USA (South Dakota) C. brevilobus (7293 7376 7378 7685 8022)
Steptoean497.0 - 493.5USA (Montana) C. brevilobus (8662)
Steptoean497.0 - 493.5USA (Minnesota) C. stcroixensis (156300)
Steptoean497.0 - 493.5USA (Pennsylvania) C. quadratus (9263)
Steptoean497.0 - 493.5USA (Nevada) C. brachyops (114293 114296 114298 114605 114606 114608) C. brevilobus (110632 111321 114288 114592 114593) C. granulosus (110440 114291 114292) C. sp. (75738)
Steptoean497.0 - 493.5Canada (Alberta) C. wichitaensis (54078)
Steptoean497.0 - 493.5USA (Tennessee) C. brachyops (194604) C. sp. indet. (203179)
Steptoean497.0 - 493.5USA (Utah) C. sp. indet (240239)
Dresbachian497.0 - 486.85USA (South Dakota) C. brevilobus (7185 7194)
Dresbachian497.0 - 486.85USA (South Dakota ) C. sp. (235)
Dresbachian497.0 - 486.85USA (Alaska) C. expansus (64801 64805) C. sp. (64802 225280)
Dresbachian497.0 - 486.85USA (Wyoming) C. delandi (56145 56146) C. sp. (8954)
Dresbachian497.0 - 486.85USA (Montana) C. sp. (236)
Dresbachian497.0 - 486.85Canada (Yukon) C. brevilobus (55223 55280) C. granulosus (55278)
Dresbachian497.0 - 486.85USA (Nevada) C. sp. (241)
Franconian497.0 - 486.85Canada (Newfoundland) C. sp. (197982)
Franconian497.0 - 486.85USA (Virginia) C. sp. (62199)
Franconian497.0 - 486.85USA (Missouri) C. sp. (9191)
Franconian497.0 - 486.85USA (Arkansas) C. brachyops (77107)
Franconian497.0 - 486.85USA (Indiana) C. sp. (245)
Furongian497.0 - 486.85USA (Utah) C. sp. (156411 156458)
Furongian497.0 - 486.85USA (Arkansas) C. brachyops (229131 229193 229194 229196)
Furongian497.0 - 486.85USA (California) C. brachyops (226277) C. sp. (226274 226278)
Furongian497.0 - 486.85USA (Texas) C. sp. (156274)
Dolgellian490.2 - 486.85USA (Pennsylvania) C. quadratus (62086 62095)