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Trimerella

Craniata - Trimerellida - Trimerellidae

Taxonomy
Trimerella was named by Billings (1862) [Sepkoski's age data: S Ldov-l S Ludl-l Sepkoski's reference number: 1,1066]. It is not extant. It is the type genus of Trimerellidae.

It was assigned to Trimerellidae by Jaanuson (1966) and Williams et al. (2000); and to Trimerellida by Sepkoski (2002).

Species lacking formal opinion data

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1862Trimerella Billings
1966Trimerella Jaanuson
1980Machaerocolella Li and Han
1984Prosoponella Li
2000Trimerella Williams et al. p. 185
2002Machaerocolella Sepkoski, Jr.
2002Prosoponella Sepkoski, Jr.
2002Trimerella Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumCraniiformeaPopov et al. 1993
classCraniata
orderTrimerellida
superfamilyTrimerelloideaDavidson and King 1872
familyTrimerellidaeDavidson and King 1872
genusTrimerellaBillings 1862

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