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Ussunia

Craniata - Trimerellida - Ussuniidae

Taxonomy
Ussunia was named by Nikitin and Popov (1984) [Sepkoski's age data: O Llde Sepkoski's reference number: 881,1066]. It is not extant. It is the type genus of Ussuniidae.

It was assigned to Ussuniidae by Williams et al. (2000); and to Trimerellida by Sepkoski (2002).

Synonymy list
YearName and author
1984Ussunia Nikitin and Popov
2000Ussunia Williams et al. p. 192
2002Ussunia Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumCraniiformeaPopov et al. 1993
classCraniata
orderTrimerellida
superfamilyTrimerelloideaDavidson and King 1872
familyUssuniidaeNikitin and Popov 1984
genusUssuniaNikitin and Popov 1984

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