Dicopia antirrhinum n.sp., ascidie de la pente du plateau continental du Golfe de Gascogne: interprétation nouvelle de la famille des Octacnemidae = Dicopia antirrhinum n.sp., ascidian from the slope of the continental shelf of the Gulf of Gascogne: new interpretation of the family Octacnemidae
Monniot, C. (1972). Dicopia antirrhinum n.sp., ascidie de la pente du plateau continental du Golfe de Gascogne: interprétation nouvelle de la famille des Octacnemidae = Dicopia antirrhinum n.sp., ascidian from the slope of the continental shelf of the Gulf of Gascogne: new interpretation of the family Octacnemidae. Cah. Biol. Mar. 13: 9-20
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094, meer
A new abyssal sp of Dicopia is described. The considerable development of the buccal siphon permits the capture of small Crustacea. This method of feeding is supplemented by the filtration of water by the gills. The anatomical study of this sp permits a new interpretation of the Octacnemidae. 7 genera, classed into 3 families, are rearranged within the Octanemidae sensu nov. This abyssal family, highly specialized, shows a growing adaptation to the capture of prey, linked to the transformation of the buccal siphon into a prehensile apparatus and to the proportional reduction of the gill. The Octacnemidae are placed in the Phlebobranchiata, next to the Cionidae.
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