ARTICULAR RIDGE
In cirripeds (Balanomorpha), linear elevation on tergal margin of scutum or scutal margin of tergum close to articular furrow and with it forming articulation between these plates [Moore and McCormick, 1969].
(Subclass Cirripedia):
(
) [
Anderson, 1980].
Balanus trigonus: wall plates, exploded; and interior of operculum. [Anderson, 1980]
(Subclass Cirripedia):
Linear elevation on scutum or tergum bordering articular furrow and with it forming articulation between with two valves (balanomorph Cirripedia) [McLaughlin, 1980].