compound rostrum

compound rostrum
In cirripeds (Balanomorpha), projection formed by fusion of rostrolateral plates, forming compound compartment overlapping latera, and on which radii may develop (cf. rostrum) [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):
Compartmental plate formed by fusion of rostrolaterals with rostrum or of rostrolaterals, with rostrum missing (balanomorph Cirripedia) [McLaughlin, 1980].
(Subclass Cirripedia):
Rostrum [Stachowitsch, 1992].

Crustacea glossary. . 2011.

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  • rostrolateral — In cirripeds, one of pair of compartment plates lying between and overlapping rostrum and laterals, having radii on both rostral and cardinal sides and tending to fuse with rostrum; See Latus (rostral), e [Moore and McCormick, 1969]. (Subclass… …   Crustacea glossary

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