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Pelagiellidae

Helcionelloida - Pelagiellida - Pelagiellidae

Synonyms
Synonymy list
YearName and author
1952Pelagiellidae Knight
1960Pelagiellidae Knight et al. p. 323
1962Proeccyliopteridae Kobayashi
1962Protoscaevogyridae Kobayashi
1976Pelagiellidae Runnegar and Jell p. 133
1984Pelagiellidae Linsley and Kier
1989Pelagiellidae Missarzhevsky p. 182
1990Pelagiellidae Runnegar p. 252
2001Pelagiellidae Parkhaev p. 191
2002Pelagiellidae Landing et al. p. 299
2005Pelagiellidae Bouchet et al. p. 241

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classHelcionelloidaPeel 1991
orderPelagiellida
superfamilyPelagielloidea()
familyPelagiellidae
familyPelagiellidae

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 2001The Pelagielliformes with turbospiral shell. Its asymmetry is mostly achieved by the projection of the basal (left) side of the last whorl. The spire is hardly projected.