Directory
References
Discover
Philinoglossacea
gastropod order
Learn about this topic in these articles:
annotated classification
- In gastropod: Classification
Order Philinoglossacea No head appendages; gill lacking; no external shell; 2 families. Order Anaspidea Shell reduced to flat plate; feed on large seaweed rather than microscopic algae; sea hares (Aplysiidae); 1 other small family. Order Notaspidea Shell and gill
Read More