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Morphology Ecology and taphonomy   Age range and collections

Trigonulina

Bivalvia - Poromyida - Verticordiidae

Taxonomy
Trigonulina was named by d'Orbigny (1946) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 1248]. It is extant.

It was reranked as Verticordia (Trigonulina) by Dall (1886).

It was assigned to Verticordia by Dall (1886); to Verticordiidae by Jung (1996); and to Pholadomyoida by Sepkoski (2002).

Synonymy list
YearName and author
1886Verticordia (Trigonulina) Dall p. 290
1946Trigonulina d'Orbigny
1996Trigonulina Jung p. 46
2002Trigonulina Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Cox 1960)
CardiomorphiFerussac 1822
CardioniFerussac 1822
CardiidiaFerussac 1822
PoromyataRidewood 1903
orderPoromyida(Ridewood 1903)
superfamilyVerticordioideaStoliczka 1871
familyVerticordiidaeStoliczka 1871
genusTrigonulinad'Orbigny 1946

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