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; subphylum Crustacea, class Cirripedia)

The familiar barnacles, with a mantle usually covered with calcareous plates, and with six pairs of well-developed, thoracic feeding appendages (cirri). The group includes the suborders Lepadomorpha (stalked or pedunculate barnacles), Verrucomorpha (asymmetrical sessile barnacles), and Balanomorpha (symmetrical sessile barnacles).

Subjects: Zoology and Animal Sciences.

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