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Dinorthis (Retrorsirostra)

Rhynchonellata - Orthida - Plaesiomyidae

Taxonomy
Dinorthis (Retrorsirostra) was named by Schuchert and Cooper (1932) [Sepkoski's age data: O Cara-u O Ashg-m Sepkoski's reference number: 1].

It was reranked as Retrorsirostra by Howe (1988), Williams et al. (2000) and Sepkoski (2002).

It was assigned to Dinorthis by Schuchert and Cooper (1932); to Plaesiomyidae by Howe (1988); to Plaesiomyinae by Williams et al. (2000); and to Orthida by Sepkoski (2002).

Synonymy list
YearName and author
1932Dinorthis (Retrorsirostra) Schuchert and Cooper
1988Retrorsirostra Howe p. 213
2000Retrorsirostra Williams et al. p. 749
2002Retrorsirostra Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
RankNameAuthor
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyOrthoideaWoodward 1852
familyPlaesiomyidaeSchuchert 1913
subfamilyPlaesiomyinaeSchuchert 1913
genusDinorthisHall and Clarke 1892
subgenusRetrorsirostra

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