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Taphrorthis aspera

Rhynchonellata - Orthida - Orthidae

Taxonomy
Taphrorthis aspera was named by Williams (1962). Its type specimen is BB.15199, a shell (complete shell), and it is a 3D body fossil. Its type locality is South-east side of quarry, ½ mile north-east of Brockloch Farm, which is in a Llandeilo carbonate mudstone/limestone in the Stinchar Formation of the United Kingdom.

Synonymy list
YearName and author
1962Taphrorthis aspera Williams pp. 102 - 103 figs. Pl. VIII, figs. 26, 31, 36, 37

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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
superfamilyOrthoideaWoodward 1852
familyOrthidaeWoodward 1852
genusTaphrorthisCooper 1956
speciesaspera

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. Williams 1962Subrectangular, unequally biconvex Taphrorthis with a more convex, slightly carinate pedicle valve about three-quarters as long and just less than one-quarter as deep as wide and a gently convex sulcate brachial valve; interareas short, curved, subequal; ornamentation costellate in two generations and numbering about 10 per 5 rnm. at the antero-median margins of adult shells; ventral muscle-scar subquadrate, extending anteriorly for about one-quarter the length of the pedicle valve, vascula media slightly divergent.