- One of pair of posteriorly directed cephalic-shield extensions; in cirripeds (Balanomorpha), triangular lateral part of compartment plate delimited from paries, which is overlapped by adjacent compartment plate with or without radius. (Pl. alae) [Moore and McCormick, 1969].(Subclass Branchiura):One of two posterolateral extensions of carapace. (broad, broadly rounded, narrowly rounded, elongate and coiled behind thorax, greatly elongated; extending to second, third, or fourth thoracomere, to abdomen, beyond abdomen) [Stachowitsch, 1992].(Subclass Cirripedia):() [Anderson, 1980].Balanus trigonus: wall plates, exploded; and interior of operculum. [Anderson, 1980](Subclass Cirripedia):Barnacle plate feature: in unstalked form, triangular lateral part of compartmental plate. Delimited from median part (paries) and overlapped by lateral part (radius) of adjoining compartmental plate [Stachowitsch, 1992].(Subclass Cirripedia):One of pair of posteriorly directed cephalic-shield extensions (Branchiura and some parasitic Copepoda); triangular lateral part of compartmental plate, with or without radii, overlapped by adjacent compartmental plate (balanomorph Cirripedia). (Pl. alae) [McLaughlin, 1980].(Subclass Copepoda):In parasitic copepod, one of two posterolateral extensions of cephalic shield [Stachowitsch, 1992].(Class Ostracoda):Wing-like extension of valve, typically located ventrally and directed posteriorly. (simple, carinate) [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.