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Revision of several poorly known Antarctic aeolid nudibranch species (Mollusca: Gastropoda), with the description of a new species

Published online by Cambridge University Press:  19 April 2011

Ángel Valdés ,
Amy L. Moran  and
H. Arthur Woods
Ángel Valdés*
Affiliation:
Department of Biological Sciences, California State Polytechnic University, 3801 West Temple Avenue, Pomona, California 91768, USA
Amy L. Moran
Affiliation:
Department of Biological Sciences, Clemson University, 132 Long Hall, Clemson, South Carolina 29634, USA
H. Arthur Woods
Affiliation:
Division of Biological Sciences, University of Montana, 32 Campus Drive, HS104, Missoula, Montana 59812, USA
*
Correspondence should be addressed to: Á. Valdés, Department of Biological Sciences, California State Polytechnic University, 3801 West Temple Avenue, Pomona, California 91768, USA email: aavaldes@csupomona.edu
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Abstract

Morphological examination of several specimens of aeolid nudibranchs collected from the Ross Sea, Antarctica, revealed an unexpectedly high number of species. Based on the collected material the following species are re-described and for the first time their colour, reproductive anatomy and radula are illustrated together: Eubranchus glacialis, Cuthona modesta, Cuthona crinita, Cuthona elioti and Guyvalvoria paradoxa. Additionally, a new species of Cuthona is described from this area. The new species differs from other Antarctic and sub-Antarctic species of Cuthona in its external appearance, radular morphology and reproductive anatomy. Information on the egg mass and embryonic development of several species is provided.

Keywords

taxonomysystematicsEubranchusCuthonaGuyvalvoriaMcMurdo SoundRoss SeaAntarctica
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 92 , Issue 5 , August 2012 , pp. 1161 - 1174
Copyright
Copyright © Marine Biological Association of the United Kingdom 2011

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