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Trimerus

Trilobita - Phacopida - Homalonotidae

Taxonomy
Trimerus was named by Green (1832) [Sepkoski's age data: S Ldov-u D Emsi-u Sepkoski's reference number: 1106].

It was assigned to Phacopida by Sepkoski (2002); to Homalonotidae by Jell and Adrain (2003); and to Homalonotinae by Congreve and Lieberman (2008).

Synonymy list
YearName and author
1832Trimerus Green
2002Trimerus Sepkoski, Jr.
2003Trimerus Jell and Adrain p. 455
2008Trimerus Congreve and Lieberman p. 27

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumMandibulata
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
familyHomalonotidaeChapman 1890
subfamilyHomalonotinae(Chapman 1890)
genusTrimerusGreen 1832

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