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Schizotreta concava

Lingulata - Lingulida - Discinidae

Synonymy list
YearName and author
1963Schizotreta concava Wright

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumLinguliformeaWilliams et al. 1996
classLingulataGorjansky and Popov 1985
orderLingulidaWaagen 1885
superfamilyDiscinoidea(Gray 1840)
familyDiscinidaeGray 1840
genusSchizotretaKutorga 1848
speciesconcava

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
ReferenceDiagnosis
A. D. Wright 1963Schizotreta of sub-circular outline ; ventral valve conical with convex posterior slope ; dorsal valve concave, after short initial convex stage. Dorsal apex close to posterior margin ; ornament of rather coarse, concentric growth ridges which coalesce in posterior part of valve.