( n. pl. )
A division of the Invertebrata, nearly equivalent to the Articulata. It includes the Arthoropoda and Anarthropoda. By some zoologists it is applied to the former only.
( n. pl. )
A division of the Invertebrata, nearly equivalent to the Articulata. It includes the Arthoropoda and Anarthropoda. By some zoologists it is applied to the former only.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012