( n. pl. )
A division of brachiopods including those which have a calcareous shell furnished with a hinge and hinge teeth. Terebratula and Spirifer are examples.
( n. pl. )
A division of brachiopods including those which have a calcareous shell furnished with a hinge and hinge teeth. Terebratula and Spirifer are examples.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012