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Cratis

Bivalvia - Arcida - Philobryidae

Taxonomy
Cratis was named by Hedley (1915) [Sepkoski's age data: T Mi-l-l R Sepkoski's reference number: 681]. It is extant.

It was assigned to Arcoida by Sepkoski (2002); and to Philobryidae by Vokes (1980), Lamprell and Healy (1998) and Spencer et al. (2004).

Synonymy list
YearName and author
1915Cratis Hedley
1980Cratis Vokes p. 22
1998Cratis Lamprell and Healy p. 76
2002Cratis Sepkoski, Jr.
2004Cratis Spencer et al.

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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)
superfamilyPhilobryoideaBernard 1897
familyPhilobryidaeBernard 1897
genusCratisHedley 1915

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