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Sphenorthis

Rhynchonellata - Orthida

Taxonomy
Sphenorthis was named by Grubbs (1939) [Sepkoski's age data: S Ldov Sepkoski's reference number: 1]. It is not extant.

It was assigned to Orthida by Sepkoski (2002).

Synonymy list
YearName and author
1939Sphenorthis Grubbs
2002Sphenorthis Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Life
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
RankNameAuthor
Lophophorata
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
genusSphenorthisGrubbs 1939

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
No diagnoses are available