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Morphology Ecology and taphonomy   Age range and collections

Trigyra

Gastropoda - Bellerophontida - Sinuitidae

Taxonomy
Trigyra was named by Raymond (1908) [Sepkoski's age data: O Llde Sepkoski's reference number: 1,615]. It is not extant.

It was assigned to Cyrtolitidae by Knight et al. (1960); to Sinuitinae by HornĂ½ (1963); to Bucanellidae by Starobogatov (1970); to Sinuitidae by Runnegar and Jell (1976); and to Cyrtonellida by Sepkoski (2002).

Synonymy list
YearName and author
1908Trigyra Raymond
1960Trigyra Knight et al. p. 174
1963Trigyra HornĂ½
1970Trigyra Starobogatov p. 300
1976Trigyra Runnegar and Jell p. 121
2002Trigyra Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
orderBellerophontidaUlrich and Scofield 1897
suborderBellerophontina
superfamilyBellerophontoidea()
familySinuitidae
genusTrigyra

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