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Sivorthis

Rhynchonellata - Orthida - Orthidae

Taxonomy
Sivorthis was named by Jaanusson and Bassett (1993) [Sepkoski's age data: O Llvi O Cara-l Sepkoski's reference number: 1053]. It is not extant. Its type is Sivorthis filistera.

It was assigned to Orthinae by Jaanusson and Bassett (1993); and to Orthida by Sepkoski (2002).

Synonymy list
YearName and author
1993Sivorthis Jaanusson and Bassett
2002Sivorthis Sepkoski, Jr.

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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
subfamilyOrthinaeWoodward 1852
genusSivorthis

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