e/simple/Sea slug

Information
has gloss	eng: Sea slug: an informal name for a group of Gastropods which look similar, but are not monophyletic. Their similar shape and life styles is an example of convergent evolution. The group includes:
lexicalization	eng: sea slug
instance of	(noun) snails and slugs and their relatives class Gasteropoda, Gasteropoda, class Gastropoda, Gastropoda