During environmental characterization of the Campos Basin, Rio de Janeiro State (22°S), about 120 samples from depths between 400 and 2000 m were dredged with a 0.25-m2 box-core, and a high biodiversity of micro-molluscs was found. Although only dead animals were collected, the shells were often in a good state of preservation. Six new species, belonging to gastropods families Aclididae (Aclis kanela n. sp.), Trochidae (Mirachelus urueuauau n. sp. and Calliotropis pataxo n. sp.), Skeneidae (Palazzia pankakare n. sp. and Adeuomphalus xerente n. sp.), and Tornidae (Ponderinella xacriaba n. sp.) are described.
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1 July 2009
New Small Deep-Sea Species of Gastropoda from the Campos Basin Off Brazil
Ricardo Silva Absalão
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American Malacological Bulletin
Vol. 27 • No. 1/2
July 2009
Vol. 27 • No. 1/2
July 2009
biodiversity
continental slope
deep-water
new species