Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Tuvinia

Rhynchonellata - Orthida - Orthidiellidae

Taxonomy
Tuvinia was named by Andreeva (1982) [Sepkoski's age data: O m Sepkoski's reference number: 538]. Its type is Tuvinia radiata.

It was assigned to Orthida by Sepkoski (2002); and to Orthidiellidae by Williams et al. (2000) and Nikitina et al. (2006).

Synonymy list
YearName and author
1982Tuvinia Andreeva pp. 53 - 54
2000Tuvinia Williams et al. p. 746
2002Tuvinia Sepkoski, Jr.
2006Tuvinia Nikitina et al. p. 200

Is something missing? Join the Paleobiology Database and enter the data

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
genusTuvinia

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
O. I. Nikitina et al. 2006Shell ventribiconvex; anterior commissure gently sulcate; radial ornament costellate. Ventral interarea apsacline, deltidium narrow, arched, imperforate. Dorsal interarea short, anacline; notothyrium open or closed partly by chilidial plates. Ventral interior with a shallow delthyrial cavity, occupied by small undifferentiated muscle field; teeth short, stout, supported by low, slightly divergent dental plates; mantle canals saccate, vascula media straight, slightly divergent. Dorsal interior with a broad, poorly defined notothyrial cavity that bears a short, blade-like cardinal process posteriorly; brachiophores short with stout bases; adductor muscle scars are paired elongate oval depressions separated by a broad median ridge; dorsal mantle canals digitate.