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New species of the genus Isorropodon (Bivalvia: Vesicomyidae: Pliocardiinae) from cold methane seeps at Nyegga (Norwegian Sea, Vøring Plateau, Storrega Slide)

Published online by Cambridge University Press:  19 April 2011

E.M. Krylova*
Affiliation:
P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovsky Prospekt, 36, Moscow, 117997, Russia
A.V. Gebruk
Affiliation:
P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovsky Prospekt, 36, Moscow, 117997, Russia
D.A. Portnova
Affiliation:
P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovsky Prospekt, 36, Moscow, 117997, Russia
C. Todt
Affiliation:
University of Bergen, Department of Biology, Box 7800, N-5020, Bergen, Norway
H. Haflidason
Affiliation:
University of Bergen, Department of Earth Science, Allégaten 41, N-5007, Bergen, Norway
*
Correspondence should be addressed to: E.M. Krylova, P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovsky Prospekt, 36, Moscow, 117997, Russia email: elen@ocean.ru

Abstract

A new species of vesicomyid bivalve (Isorropodon nyeggaensis sp. nov.) is described based on shell morphology, from the Nyegga cold methane seep area on the Norwegian continental margin. This is the first description of vesicomyids from the Norwegian Sea and the northernmost record of recent representatives of the family Vesicomyidae. A dispersion of the genus into the Norwegian Sea basin from the north-eastern Atlantic is suggested. A brief description of other macrofauna from methane seep sites at Nyegga is also given.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2011

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