Acochlidacea

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Acochlidacea

gastropod order

Learn about this topic in these articles:

annotated classification

In gastropod: Classification
Order Acochlidacea Three families with visceral mass longer than foot; 4 species in fresh water; a few with sexes in separate animals; size minute. Order Philinoglossacea No head appendages; gill lacking; no external shell; 2 families. Order Anaspidea Shell reduced
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