Meaning of opisthobranch | Babel Free
/ɵˈpɪsθəbɹæŋk/Definitions
A gastropod with gills behind the heart, formerly thought to belong to a single group.
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.