||Tho`ra*cos"tra*ca (?), n. pl. [NL. See
Thorax, and Ostracoid, a.]
(Zoöl.) An extensive division of Crustacea, having a
dorsal shield or carapec&?; &?;&?;niting all, or nearly all, of the
thoracic somites to the head. It includes the crabs, lobsters, shrimps, and
similar species.
||Tho`ra*cos"tra*ca (?), n. pl. [NL. See
Thorax, and Ostracoid, a.]
(Zoöl.) An extensive division of Crustacea, having a
dorsal shield or carapec&?; &?;&?;niting all, or nearly all, of the
thoracic somites to the head. It includes the crabs, lobsters, shrimps, and
similar species.