( n. pl. )
An order of brachiopods, in which the valves of shell are not articulated by a hinge. It includes the Lingula, Discina, and allied forms.
( n. pl. )
An order of brachiopods, in which the valves of shell are not articulated by a hinge. It includes the Lingula, Discina, and allied forms.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012