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Two new species of Myriochele (Polychaeta: Oweniidae) from the Bransfield Strait, Antarctica

Published online by Cambridge University Press:  20 May 2003

JULIO PARAPAR
JULIO PARAPAR
Affiliation:
Departamento de Bioloxía Animal, Bioloxía Vexetal e Ecoloxía, Facultade de Ciencias, Universidade da Coruña, Campus da Zapateira, E-15071 A Coruña, Spain
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Abstract

Among the benthic lithological samples collected during the Spanish Antarctic survey GEBRAP 1996–97 in the Bransfield Strait, two new oweniid (Annelida, Polychaeta, Oweniidae) species were collected: Myriochele riojai n. sp. and Myriochele robusta n. sp. Myriochele riojai is closely related to M. heeri Malmgren, 1867 but differs in body size, number and distribution of the notosetae and in the position of elongated abdominal body segments. Myriochele robusta differs from all known species of the genus owing to its possession of a biramous setiger between two uniramous setigers in the anterior (thoracic) body region. A key to oweniid species recorded in Antarctic waters is provided.

Keywords

AnnelidaMyriochele riojai n. sp.Myriochele robusta n. sp.South Shetland Islands
Type
Research Article
Information
Antarctic Science , Volume 15 , Issue 2 , June 2003 , pp. 219 - 226
Copyright
© Antarctic Science Ltd 2003

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