Definitions
Basal margin
- In cirripeds, lower edge of scutum or tergum or other plate. [Moore and McCormick, 1969]
- (Taxon-specific: Subclass Cirripedia) Barnacle plate feature: lower edge of plate. Typically refers to lower edge of scutum or tergum. [Stachowitsch, 1992]
- (Taxon-specific: Subclass Cirripedia) Lower edge of scutum or tergum or other plate (thoracic Cirripedia). [McLaughlin, 1980]