Lexic.us

Definition of Thoracostraca

1. n. pl. 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.

Medical Definition of Thoracostraca

1. 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. Origin: NL. See Thorax, and Ostracoid. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Thoracostraca

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