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Eotrinucleus

Trilobita - Asaphida - Trinucleidae

Taxonomy
Eotrinucleus was named by Zhou and Zhang (1978) [Sepkoski's age data: O Trem-l]. It is not extant.

It was assigned to Trinucleidae by Peng (1992); and to Asaphida by Sepkoski (2002).

Synonymy list
YearName and author
1978Eotrinucleus Zhou and Zhang
1992Eotrinucleus Peng
2002Eotrinucleus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
subclassLibristomaFortey 1990
orderAsaphidaSalter 1864
familyTrinucleidaeHawle and Corda 1847
genusEotrinucleusZhou and Zhang 1978

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