Opisthobranchia
English Dictionary
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-> Opisthobranchia
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Opisthobranchia Definition
(n)
gastropods
having
the
gills
when
present
posterior
to
the
heart
and
having
no
operculum
:
includes
sea
slugs
;
sea
butterflies
;
sea
hares
Opisthobranchia Synonyms
Opisthobranchia
subclass Opisthobranchia
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