lateral bar

lateral bar
In Cirripedia (Acrothoracica), pair of chitinous thickenings (best developed in Cryptophialidae) running from chitinous apertural thickenings medially down each side of mantle sac [Moore and McCormick, 1969].
(Subclass Cirripedia):
In acrothoracican, pair of chitinous thickenings reinforcing each side of mantle; extends from aperture halfway down body [Stachowitsch, 1992].
(Superorder Acrothoracica):
Pair of external chitinous thickenings extending from apertural thickenings medially down each side of mantle sac [McLaughlin, 1980].

Crustacea glossary. . 2011.

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