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Strophomena planoconvexa

Strophomenata - Strophomenida - Strophomenidae

Taxonomy
Leptaena planoconvexa was named by Hall (1847) [Leptæna planoconvexa].

It was recombined as Strophomena planoconvexa by Foerste (1912).

Synonymy list
YearName and author
1847Leptaena planoconvexa Hall p. 114 figs. PL 31 B. Figs. 7 a, b, e, d.
1912Strophomena planoconvexa Foerste pp. 54 - 57 figs. pl. 1 f. 1 A-F; 2A- B

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyStrophomenoideaKing 1846
familyStrophomenidaeKing 1846
subfamilyStrophomeninaeKing 1846
genusStrophomenaRafinesque and De Blainville 1824
speciesplanoconvexa()

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
J. Hall 1847Shell resupinate, sub-planoconvex, often distinctly inequilateral and oblique; ventral valve moderately convex; dorsal valve.tnearly fiat or slightly concave; cardinal line extended considerably beyond th«: widJh of the.shell, and ofteR produced into small acute ears; surface marked by rather coarse radiating strire, which bifurcate towards the margin of the shell; apex usually, and perhaps always, perforated; foramen closed; cardinal area narrow.