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Morphology Ecology and taphonomy   Age range and collections

Elliptocephalus

Trilobita - Redlichiida - Holmiidae

Taxonomy
Elliptocephalus was named by Emmons (1884) [Sepkoski's age data: Cm Boto-u]. It is not extant.

It was assigned to Holmiidae by Whittington et al. (1997); and to Olenellida by Sepkoski (2002).

Synonymy list
YearName and author
1884Elliptocephalus Emmons
1997Elliptocephalus Whittington et al. p. 414
2002Elliptocephalus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
familyHolmiidaeHupé 1953
genusElliptocephalusEmmons 1884

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.

Diagnosis
No diagnoses are available