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Tannuella
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).
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).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Tannuella Rozanov et al. pp. 165-166 |
| 1976 | Tannuella Runnegar and Jell p. 117 |
| 1982 | Tanuella Voronin et al. |
| 1989 | Tannuella Missarzhevsky p. 172 |
| 1992 | Tannuella Bengtson p. 1027 |
| 2002 | Tannuella Parkhaev p. 34 |
| 2002 | Tannuella Sepkoski |
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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.
G. †Tannuella Rozanov et al. 1969
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†Tannuella chaoi Chen et al. 1981
†Tannuella elata Rozanov et al. 1969
†Tannuella elinorae Brock and Patterson 2004
Diagnosis
No diagnoses are available