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Trigonia cragini

Bivalvia - Trigoniida - Trigoniidae

Taxonomy
Trigonia cragini was named by Stoyanow (1949) [TYPE LOCALITY: Cholla Mbr, Lowell Fm, Ninety One Hills, Arizona. TYPE REPOSITORY: Unknown repository (USNM or University of Texas).].

Synonymy list
YearName and author
1949Trigonia cragini Stoyanow pp. 80-81 figs. pl. 13, figs. 6-10

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
UniomorphiGray 1854
UnioniGray 1854
UnionataGray 1854
orderTrigoniida(Dall 1889)
superfamilyTrigonioidea(Lamarck 1819)
familyTrigoniidaeLamarck 1819
subfamilyTrigoniinaeLamarck 1819
genusTrigoniaBruguière 1789
speciescragini

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.

Trigonia cragini Stoyanow 1949
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Diagnosis
No diagnoses are available