Harmelin, J.-G. (1990). Deep-water crisiids (Bryozoa: Cyclostomata) from the northeast Atlantic Ocean. Journal of Natural History. 24(6): 1597-1616.

335985

10.1080/00222939000770921 [view]

Harmelin, J.-G.

1990

24(6): 1597-1616

Publication

Available for editors   [request]

Eight Crisia and two Bicrisia species are recorded from the Celtic Sea (33&1175 m, Thalossa, 1973) and from both sides of the Straits of Gibraltar (110-903 m, Cryos, Balgim). Two new species are described: Crisiu pyrula n. sp., and Bicrisia giibraltarensis n. sp Systematics and morphology of five other species are detailed. A southern morphotype of C. aculeata is distinguished. Except for the boreal species B. abyssicola, all species occur both in Atlantic and Mediterranean localities. The upper bathyd crisiid fauna (>200m)is richer in the Celtic Sea than in the Gibraltar area (6 spp. vs. 3 spp). Only three crisiids seem to be true deep-water species. The crisiid stock from stations located in the Gulf of Cadiz in Atlantic water is twice as rich as (1) that from stations of the same area washed by the Mediterranean water outflow; (2) that from the Alboran Sea.

Boreal east Atlantic

Abyssal, Deep-Sea

Bryozoa

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