Septibranchia

Septibranchia

[‚sep·tə′braŋ·kē·ə]
(invertebrate zoology)
A small order of bivalve mollusks in which the anterior and posterior abductor muscles are about equal in size, the foot is long and slender, and the gills have been transformed into a muscular septum.
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de Endemicas especies Hyalospongiae Esponjas de cristal 6 2 (33%) Scleractinia Corales petreos 25 1 (4%) Gastropoda Caracoles 25 24 (96%) Turridae Cirripedia Crustaceos cirripedios 14 11 (79%) Tanaidacea Crustaceos 9 2 (22%) Macrura Crustaceos decapodos 29 10 (34%) Brachiura & Crustaceos decapodos 24 10 (41%) Anomura Bivalvia Bivalvos 7 7 (72%) Septibranchia Brachiopoda Braquiopodos 4 1 (25%) Echinoidea Erizos 19 8 (42%) Total 164 76 (46,3%) Tabla 3.
Cilia are particularly well known for generating the currents that provide for respiration and feeding in all bivalves, except the Septibranchia.