Thoracica

views updated Jun 27 2018

Thoracica (typical barnacles; 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).

A Dictionary of Zoology MICHAEL ALLABY

Thoracica

views updated May 08 2018

Thoracica See CIRRIPEDIA.

A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY

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Thoracicans

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