clade Euthyneura clade Panpulmonata clade Eupulmonata Onchidiidae are a family of small, air-breathing sea (and land) slugs. They are shell-less marine (except of 5 species) pulmonate gastropod molluscs. Onchidiidae is the only family within the superfamily Onchidioidea. These animals are quite unusual in that they are emphatically not opisthobran...
Found on
http://en.wikipedia.org/wiki/Onchidiidae
(from the article `gastropod`) ...nephridial opening at posterior; male gonopore behind right tentacle; female gonopore middle of right side; sole of foot narrow; no shell; 2 pairs ...
Found on
http://www.britannica.com/eb/a-z/o/19
No exact match found.
