Angular inner edge of scutum in cirriped shells having upper laterals [Moore and McCormick, 1969].
(Subclass Cirripedia):
Barnacle plate feature: in stalked form bearing upper latera, angular edge of scutum adjoining tergum and upper latus [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.