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Tresus

Bivalvia - Venerida - 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), Moore (2003), Signorelli (2019).

Synonyms
Synonymy list
YearName and author
1853Schizothaerus Conrad
1853Tresus Gray
1974Tresus Abbott p. 491
2002Tresus Sepkoski
2003Tresus Moore
2019Tresus Signorelli p. 75

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
EuheterodontaGiribet and Distel 2003
superorderImparidentiaBieler 2014
NeoheterodonteiTaylor et al. 2007
orderVenerida(Gray 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 allomyax Coan and Valentich-Scott 2000
Tresus capax Gould 1850 [fat gaper]
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Invalid names: Lutraria maxima Middendorff 1849 [synonym]
Tresus nuttallii Conrad 1837 [Pacific gaper]
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Invalid names: Lutraria inflata Dunker 1853 [synonym], Schizothaerus nuttallii bighopensis Henderson 1931 [invalid subgroup], Spisula longa Dall 1921 [synonym]
Tresus pajaroanus Conrad 1857 [lost gaper]
Tresus saxadomoides Clark 1918
Invalid names: Schizothaerus Conrad 1853 [synonym]
Diagnosis
No diagnoses are available