Meaning of anaptychus | Babel Free
Definitions
One of a pair of shelly plates found in some cephalopods, such as the ammonites. They are now considered to have been parts of the jaw.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.