A new genus of midwater appendicularian: Mesoikopleura with four species

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’ crui...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom 1993-08, Vol.73 (3), p.635-646
Main Author: Fenaux, Robert
Format: Article
Language:English
Subjects:
Appendicularia
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Invertebrates
Larvacea
Less representative or incertae sedis groups: acanthocephala, chaetognatha, gnathostomulida, lophophoria, merostomata, mesozoa, myxozoa, nematorhyncha, pararthropoda, placozoa, priapuloidea, prochordata, pycnogonida, rotifera
Marine
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Description
Summary: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.
ISSN:0025-3154
1469-7769
DOI:10.1017/S0025315400033178