Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Trigoniida

Bivalvia - Trigoniida

Synonymy list
YearName and author
1889Trigonioida Dall
1980Trigonioida Vokes p. 69
2002Trigonioida Giribet and Wheeler
2002Trigonioida Sepkoski, Jr.
2006Trigonioida Bieler and Mikkelsen p. 230
2008Trigonioida Scholz et al.
2011Trigoniida Carter et al. p. 11

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classBivalvia
RankNameAuthor
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Cox 1960)
UniomorphiGray 1854
UnioniGray 1854
UnionataGray 1854
orderTrigoniida(Dall 1889)
orderTrigoniida(Dall 1889)

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