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Ptychopleurella oklahomensis

Rhynchonellata - Orthida - Hesperorthidae

Taxonomy
Ptychopleurella oklahomensis was named by Cooper (1956). Its type specimen is USNM 110095b, a valve (pedicle valve), and it is a 3D body fossil. Its type locality is 2 - 3 miles north of Springer, which is in a Whiterockian shallow subtidal sandstone/grainstone in the McLish Formation of Oklahoma.

Sister species lacking formal opinion data
P. cymbella

Synonymy list
YearName and author
1956Ptychopleurella oklahomensis Cooper pp. 388 - 389 figs. Plate 42, G, figures 40-44
1983Ptychopleurella oklachomensis Rozman and Severgina

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyOrthoideaWoodward 1852
familyHesperorthidaeSchuchert and Cooper 1931
genusPtychopleurellaSchuchert and Cooper 1931
speciesoklahomensis

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.

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Diagnosis
No diagnoses are available