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Litocephalus

Trilobita - Olenida - Aphelaspidae

Taxonomy
Litocephalus was named by Resser (1937) [Sepkoski's age data: Cm Dres-u Cm Fran-l Sepkoski's reference number: 80]. It is not extant.

It was assigned to Aphelaspididae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1937Litocephalus Resser
1938Pterocephalina Resser p. 42
2002Litocephalus Jell and Adrain p. 399
2002Litocephalus Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderOlenida
familyAphelaspidae(Palmer 1960)
genusLitocephalusResser 1937

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. †Litocephalus Resser 1937
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Litocephalus magnus Palmer 1965
Invalid names: Pterocephalina Resser 1938 [synonym]
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: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2010-01-26 00:44:20
Modified: 2010-01-26 02:44:20
Source: f = family, c = class
References: Aberhan et al. 2004, Whittington et al. 1997

Age range: Steptoean or 497.00000 to 493.50000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Steptoean497.0 - 493.5USA (Nevada) L. bilobatus (75270) L. granulomarginatus (75271) L. verruculapeza (110449)
Dresbachian497.0 - 485.4Canada (Yukon) L. bilobatus (55232)
Dresbachian497.0 - 485.4USA (Nevada) L. granulomarginatus (75437)
Franconian497.0 - 485.4USA (Nevada) L. magnus (75436)