Related Overviews


More Like This

Show all results sharing this subject:

  • Zoology and Animal Sciences


Quick Reference

(class Gastropoda, subclass Pulmonata)

An order of gastropods that are predominantly aquatic; certain groups have secondary gills. Eyes are present at the base of a single pair of tentacles. The order first appeared in the Mesozoic.

Subjects: Zoology and Animal Sciences.

Reference entries