Definitions
Spur
- In cirripeds (Balanomorpha), dependent projection on basal margin of tergum. [Moore and McCormick, 1969]
- (Taxon-specific: Subclass Cirripedia) Barnacle plate feature: in unstalked form, calcareous projection of basal margin of tergum. [Stachowitsch, 1992]
- (Taxon-specific: Class Ostracoda) Pendent projection from basal margin of tergum (sessile Cirripedia); also velate structure modified sa flattened spinelike projection in some dimorphic genera. [McLaughlin, 1980]
- (Taxon-specific: Class Ostracoda) Type of valve sculpture: flattened, spine-like projection. Represents modified, wing-like (velate) structure. [Stachowitsch, 1992]