Pyramidelloidea

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Pyramidelloidea
live Turbonilla acutissima
Two views of a
Pyramidella acus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Subcohort: Panpulmonata
Superfamily: Pyramidelloidea
J. E. Gray, 1840[1]

Pyramidelloidea is a

mollusks and micromollusks within the clade Panpulmonata.[2]

This is a voluminous taxon: above the species level close to 400 named taxa are referred to this gastropod superfamily.

Pyramidelloidea has both

bivalve molluscs and polychaete worms, and have a sharp, piercing stylet instead of a radula.[3]

Distribution

This taxon is found worldwide.

Taxonomy

1999 taxonomy

Taxonomy by Schander, Van Aartsen & Corgan (1999):[4]

  • Superfamily Pyramidelloidea Gray, 1840
    • Family Amathinidae Ponder, 1987
    • Family
      Ebalidae
      Warén, 1994 - synonym: Anisocyclidae van Aartsen, 1995
    • Family
      Odostomiidae Pelseneer
      , 1928
      • Subfamily Odostomiinae Pelseneer, 1928
      • Subfamily
        Chrysallidinae
        Saurin, 1958
      • Subfamily
        Odostomellinae
        Saurin, 1958
      • Subfamily
        Cyclostremellinae
        Moore, 1966
    • Family Pyramidellidae J. E. Gray, 1840
      • Subfamily Pyramidellinae J.E. Gray, 1840
      • Subfamily
        Sayellinae
        Wise, 1996
    • Family
      Syrnolidae
      Saurin, 1958
      • Subfamily Syrnolinae Saurin, 1958
      • Subfamily
        Tiberiinae
        Saurin, 1958
    • Family
      Turbonillidae
      Bronn, 1849
      • Subfamily Turbonillinae Bronn, 1849
      • Subfamily
        Eulimellinae
        Saurin, 1958
      • Subfamily
        Cingulininae
        Saurin, 1959

2005 taxonomy

Pyramidelloidea has been classified within the informal group Lower Heterobranchia in the taxonomy of Bouchet & Rocroi (2005).[5]

Taxonomy of Bouchet & Rocroi, 2005:

2010 taxonomy

Jörger et al. (2010)[2] have redefined major groups within the Heterobranchia and they moved Pyramidelloidea to Panpulmonata.[2]

Pyramidelloidean genera of uncertain familial position

References

  1. ^ Gray, J. E. (1840). Synopsis of the contents of the British Museum (42nd ed.). London. pp. 370 pp.
  2. ^
    doi:10.1186/1471-2148-10-323
    .
  3. ISBN 0-03-056747-5
    .
  4. ^ Schander, C.; van Aartsen, J. J.; Corgan, J. C. (1999). "Families and genera of the Pyramidelloidea (Mollusca: Gastropoda)". Bollettino Malacologico. 34 (9–12): 145–166.
  5. ISSN 0076-2997
    .
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