Dictionary entry

Leptostraca

Webster's Dictionary 1913

‖Lep‐tos″tra‐ca (lĕp‐tŏs″trȧ‐kȧ), n. pl. [NL., fr. Gr. λεπτόσ thin, slender + ὄστρακον shell of a testacean.] (Zoöl.) An order of Crustacea, including Nebalia and allied forms.