Definitions
Capitulum
- In pedunculate cirripeds portion of carapace enclosing trophic structures, commonly armored by calcareous plates. [Moore and McCormick, 1969]
- Portion of carapace enclosing body, commonly protected by calcareous plates (lepadomorph cirripeds); or anterior prominence in complex tooth and socket hingement (Ostracoda). [McLaughlin, 1980]
- (Taxon-specific: Subclass Cirripedia) In stalked barnacle, one of two external divisions of body (capitulum, peduncle). Consists of mantle and associated plates enclosing body. [Stachowitsch, 1992]