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A new genus of midwater appendicularian: Mesoikopleura with four species

Published online by Cambridge University Press:  11 May 2009

Robert Fenaux
Robert Fenaux
Affiliation:
Observatoire des Sciences de la Mer, Station Zoologique, CNRS, URA 716, Université Paris VI-INSUCNRS, 06230 Villefranche-sur-Mer, France
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Extract

A new genus, Mesoikopleura, in the family Oikopleuridae (Lohmann, 1915), is described from several specimens collected at low mesopelagic depth (710–860 m) during different cruises using the ‘Johnson-Sea-Link’ submersibles, and from one collected by the ‘Cyana’ submersible during the ‘Gyrocean’ cruise. Three species of this new genus are described: M. enterospira, M. youngbluthi and M. gyroceanis. One of the species already described as belonging to the genus Pelagopleura is moved to the genus Mesoikopleura. Consideration of the genera closely related to Mesoikopleura leads to the division of the subfamily Oikopleurinae into two groups at the level of super genera: Labiata and Alabiata.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 73 , Issue 3 , August 1993 , pp. 635 - 646
Copyright
Copyright © Marine Biological Association of the United Kingdom 1993

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