- Compartment plate of cirripeds located on either side of carina, with radii on cardinal side and alae on rostral side. (Syn. latus (cardinal)) [Moore and McCormick, 1969].(Subclass Cirripedia):() [Anderson, 1980].Balanus trigonus: apical view; left lateral view; and operculum, body, and branchiae. [Anderson, 1980](Subclass Cirripedia):() [Anderson, 1980].Balanus trigonus: wall plates, exploded; and interior of operculum. [Anderson, 1980](Subclass Cirripedia):Barnacle shell plate: in unstalked form, paired posterolateral plate, one between carina and each lateral plate. Consists of median paries with radius on one (carinal) side, ala on other (lateral) side. (Syn. carinolatus) [Stachowitsch, 1992].(Subclass Cirripedia):One of pair of compartmental plates typically overlapping carina on each side, with radius on carinal side and ala on lateral side, sometimes absent; homologous with lepadomorph carinal latus (balanomorph Cirripedia) [McLaughlin, 1980].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.