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Morphology Ecology and taphonomy   Age range and collections

Hypelasma

Bivalvia - Hippuritida - Requieniidae

Taxonomy
Hypelasma was named by Paquier (1897) [Sepkoski's age data: J Tith]. It is not extant.

It was assigned to Hippuritoida by Sepkoski (2002); to Requieniidae by Gourrat et al. (2003); and to Matheroniinae by Skelton (2013).

Synonymy list
YearName and author
1897Hypelasma Paquier
2002Hypelasma Sepkoski, Jr.
2003Hypelasma Gourrat et al.
2013Hypelasma Skelton

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Cox 1960)
RankNameAuthor
CardiomorphiFerussac 1822
CardioniFerussac 1822
CardiidiaFerussac 1822
CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderHippuritida(Newell 1965)
suborderRequieniidina
superfamilyRequienioideaDouvillé 1914
familyRequieniidaeDouvillé 1914
subfamilyMatheroniinaeScott 2010
genusHypelasmaPaquier 1897

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