Any of lepadomorph capitular plates except paired scuta and terga and unpaired rostrum, carina, subrostrum, and subcarina. Smaller plates in basal whorls below paired latera referred to as lower latera; sometimes all or some absent. Types of paired plates:

• carinal. Plate on each side of carina.
• inframedian. Plate below upper latus.
• median. Plate between rostral and carina latera in forms with paired latera in one whorl.(d) rostral. plate on each side of rostrum or below scutum.
• upper. plate in upper whorl between scutum and tergum or carina.

• carinal. Plate located on either side of carina, with radii on either side and alae on rostral side; corresponds to carinolateral in Balanomorpha.
• inframedian. Plate beneath median latera in some cirripeds (e.g., Arcoscalpellum).
• lower. Plate in some cirripeds (e.g., Zeugmatolepas) near basis. (syn. imbricate plate(s))
• median. One of series of plates between carina and rostrum which maybe disposed in whorls (e.g., Scillaelepas).
• rostral. Plate located on either side of rostrum, with radii on both rostral and carinal sides; corresponds to rostrolateral in Balanomorpha.
• upper. Plate between carinal and rostral latera just below opercular valves (e.g., scalpellids).