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Tresus

Bivalvia - Cardiida - Mactridae

Taxonomy
Tresus was named by Gray (1853) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 914]. It is extant.

It was assigned to Veneroida by Sepkoski (2002); and to Lutrariinae by Abbott (1974) and Moore (2003).

Synonyms
Synonymy list
YearName and author
1853Schizothaerus Conrad
1853Tresus Gray
1974Tresus Abbott p. 491
2002Tresus Sepkoski
2003Tresus Moore

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
CardiomorphiFerussac 1822
RankNameAuthor
CardioniFerussac 1822
CardiidiaFerussac 1822
CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
Veneroidei(Gray 1854)
VeneroiteiGray 1854
superfamilyMactroidea(Lamarck 1809)
familyMactridaeLamarck 1809
subfamilyLutrariinaeAdams and Adams 1856
genusTresusGray 1853

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.

G. Tresus Gray 1853
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Tresus capax Gould 1850
Tresus nuttallii Conrad 1837
Tresus pajaroanus Conrad 1857
Tresus saxadomoides Clark 1918
Invalid names: Schizothaerus Conrad 1853 [synonym]
Diagnosis
No diagnoses are available