- "Bivalved" larval type following the naupliar stage in most cirripedes. [Brusca and Brusca, 2002]
- Unique larval stage that follows the nauplius stage in cirripedes. [Brusca and Brusca, 2002]
- (Taxon-specific: Subclass Cirripedia) Final larval stage, common to all cirripeds, characterized by bivalved carapace, compound eyes, prehensile antennules, and series of locomotory thoracic appendages (cirri). (See also nauplius).
(syn. cyprid, cyprid larva) [Stachowitsch, 1992]