Clade Euthyneura Rank Superfamily | Clade Heterobranchia | |
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Lower classifications Pyramidellidae, Chrysallida, Kleinella, Hinemoa | ||
Pyramidelloidea is a superfamily of mostly very small sea snails, marine gastropod mollusks and micromollusks within the clade Panpulmonata.
Contents
- Distribution
- 1999 taxonomy
- 2005 taxonomy
- 2010 taxonomy
- Pyramidelloidean genera of uncertain familial position
- References
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.
Distribution
This taxon is found worldwide.
1999 taxonomy
Taxonomy by Schander, Van Aartsen & Corgan (1999):
2005 taxonomy
Pyramidelloidea has been classified within the informal group Lower Heterobranchia in the taxonomy of Bouchet & Rocroi (2005).
Taxonomy of Bouchet & Rocroi, 2005:
2010 taxonomy
Jörger et al. (2010) have redefined major groups within the Heterobranchia and they moved Pyramidelloidea to Panpulmonata.