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Orthidium

Rhynchonellata - Orthida - Orthidiellidae

Taxonomy
Orthidium was named by Hall and Clarke (1892).

It was assigned to Clitambonitidae by Raymond (1911); to Orthidiellidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).

Synonymy list
YearName and author
1892Orthidium Hall and Clarke
1911Orthidium Raymond
2000Orthidium Williams et al. p. 745
2002Orthidium 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
familyOrthidiellidaeUlrich and Cooper 1936
genusOrthidiumHall and Clarke 1892

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