nauplius [naw-plee-uh s] /ˈnɔ pli əs/ Show IPA
, pluralnauplii [naw-plee-ahy] /ˈnɔ pliˌaɪ/ Show IPA
(in many crustaceans) a larval form with three pairs of appendages and a single median eye, occurring usually as the first stage of development after leaving the egg.
1830–40; < Latin: a kind of shellfish
nauplial, naupliform, nauplioid, adjective