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Tannuella

Helcionelloida - Helcionellida - Helcionellidae

Taxonomy
Tannuella was named by Rozanov et al. (1969) [Missarzhevsky in Rozanov et al. 1969; Sepkoski's age data: Cm Tomm-l Cm uMid-l Sepkoski's reference number: 110,885,1030]. Its type is Tannuella elata.

It was assigned to Scenellidae by Runnegar and Jell (1976) and Voronin et al. (1982); to Cyrtonellida by Bengtson (1992); to Helcionellidae by Rozanov et al. (1969), Missarzhevsky (1989) and Parkhaev (2002); and to Helcionelloida by Sepkoski (2002).

Synonymy list
YearName and author
1969Tannuella Rozanov et al. pp. 165-166
1976Tannuella Runnegar and Jell p. 117
1982Tanuella Voronin et al.
1989Tannuella Missarzhevsky p. 172
1992Tannuella Bengtson p. 1027
2002Tannuella Parkhaev p. 34
2002Tannuella Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classHelcionelloidaPeel 1991
orderHelcionellida
superfamilyHelcionelloidea(Wenz 1938)
familyHelcionellidae
genusTannuella

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