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Beshtashella

Helcionelloida -

Taxonomy
Beshtashella was named by Missarzhevsky and Mambetov (1981) [Missarzhevsky in Missarzhevsky & Mambetov 1981 Sepkoski's age data: Cm Atda-u Sepkoski's reference number: 1006,923]. Its type is Beshtashella tortilis.

It was assigned to Onychochilidae by Missarzhevsky and Mambetov (1981), Missarzhevsky (1989), Bengtson et al. (1990), Elicki (1994), Elicki (1996), Parkhaev (2001) and Parkhaev (2002); to Mollusca by Sepkoski (2002); and to Helcionelloida by Gubanov et al. (2004).

Synonyms
Synonymy list
YearName and author
1981Beshtashella Missarzhevsky and Mambetov p. 52
1983Paraformichella Qian and Zhang p. 88
1989Beshtashella Missarzhevsky p. 186
1990Beshtashella Bengtson et al. p. 256
1994Beshtashella Elicki pp. 79 - 80 figs. f. 4/3-5, 10
1996Beshtashella Elicki p. 148
2001Beshtashella Parkhaev p. 198
2002Beshtashella Parkhaev p. 37
2002Beshtashella Sepkoski, Jr.
2004Beshtashella Gubanov et al. p. 211

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
RankNameAuthor
Schizocoela
phylumMollusca
classHelcionelloidaPeel 1991
genusBeshtashella

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
P. Yu. Parkhaev 2001Small sinistrally coiled shells with a strongly projected spire. The whorls are open coiled, so their internal walls do not touch. Cross-section of a whorl is elliptical.