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Morphorhynchus varicostatum

Rhynchonellata - Rhynchonellida - Trigonirhynchiidae

Taxonomy
Morphorhynchus varicostatum was named by Cooper and Dutro (1982). Its type specimen is USNM 200922a, a shell, and it is a 3D body fossil. It is the type species of Morphorhynchus.

Synonymy list
YearName and author
1982Morphorhynchus varicostatum Cooper and Dutro, Jr. p. 71 figs. pl. 15 f. 21-28; pl. 41, f. 41-49

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderRhynchonellidaKuhn 1949
superfamilyRhynchotrematoideaSchuchert 1913
familyTrigonirhynchiidaeMcLaren 1965
subfamilyTrigonirhynchiinaeSchmidt 1965
genusMorphorhynchus
speciesvaricostatum

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
G. A. Cooper and J. T. Dutro 1982Medium-sized transversely subrectangular MorphorhYllchus with four costae on the fold.