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Trigonarca

Bivalvia - Arcida - Glycymerididae

Taxonomy
Trigonarca was named by Conrad (1862) [Sepkoski's age data: K Albi-u K Maes Sepkoski's reference number: 914].

It was assigned to Bivalvia by Dall (1898); to Arcullaeinae by Vokes (1980) and Gliozzi and Malatesta (1983); and to Arcoida by Sepkoski (2002).

Synonymy list
YearName and author
1862Trigonarca Conrad p. 289
1898Trigonoarca Dall p. 606
1980Trigonarca Vokes p. 21
1983Trigonarca Gliozzi and Malatesta p. 88
2002Trigonarca Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classBivalvia
Eubivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
OstreomorphiFerussac 1822
ArcioniGray 1854
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyGlycymerididaeNewton 1922
subfamilyArcullaeinaeNewell 1969
genusTrigonarcaConrad 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