lepˈtästrəkə noun plural
Usage: capitalized
Etymology: New Latin, from lept- + -ostraca
: a division of Malacostraca including the Phyllocarida, the Nebaliacea, and various fossil forms that are regarded as intermediate between the typical malacostracans and the lower crustaceans although classed among the former — see nebalia
• lep·tos·tra·can (ˈ) ̷ ̷| ̷ ̷ ̷ ̷kən adjective & noun
• lep·tos·tra·cous (ˈ) ̷ ̷| ̷ ̷ ̷ ̷kəs adjective