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Sigmelasma

Rhynchonellata - Orthida - Wangyuiidae

Taxonomy
Sigmelasma was named by Potter (1990) [Sepkoski's age data: O Llde O Ashg Sepkoski's reference number: 912]. Its type is Sigmelasma pantherae.

It was assigned to Orthida by Sepkoski (2002); and to Wangyuiidae by Williams et al. (2000) and Hints (2012).

Synonymy list
YearName and author
1990Sigmelasma Potter
2000Sigmelasma Williams et al. p. 779
2002Sigmelasma Sepkoski, Jr.
2012Sigmelasma Hints

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyPlectorthoideaSchuchert and Le Vene 1929
familyWangyuiidaeZhang 1989
genusSigmelasmaPotter 1990

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