Pyramidelloidea

Pyramidelloidea

Pyramidelloidea

Superfamily of gastropods

Pyramidelloidea is a superfamily of mostly very small sea snails, marine gastropod mollusks and micromollusks within the clade Panpulmonata.[2]

Quick Facts Scientific classification ...

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

Pyramidelloidea has both fossil and recent members. They live as ectoparasites on 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]

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

  • Bidentata de Castellanos, 1982
  • Calyptopolyptychia Gougerot, 1968
  • Laeviselica Gougerot & Le Renard, 1977
  • Lysacme Dall & Bartsch, 1904
  • Microthyca A. Adams, 1863
  • Oopyramis Thiele, 1930
  • Sulcorinella Dall & Bartsch, 1904

References

  1. [1]
    Gray, J. E. (1840). Synopsis of the contents of the British Museum (42nd ed.). London. pp. 370 pp.
  2. [2]
    Jörger K. M., Stöger I., Kano Y., Fukuda H., Knebelsberger T. & Schrödl M. (2010). "On the origin of Acochlidia and other enigmatic euthyneuran gastropods, with implications for the systematics of Heterobranchia". BMC Evolutionary Biology 10: 323. doi:10.1186/1471-2148-10-323.
  3. [3]
    Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 376. ISBN 0-03-056747-5.
  4. [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. [5]
    Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. 47 (1–2). Hackenheim, Germany: ConchBooks: 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
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