A NEW MESOPELAGIC APPENDICULARIAN - OIKOPLEURA-VILLAFRANCAE SP-NOV
Résumé
A new species, Oikopleura villafrancae, from the family Oikopleuridae (Lohmann 1915), subfamily Oikopleurinae (Lohmann 1896), genus Oikopleura (Mertens 1830), is described from numerous specimens collected at mesopelagic depth (360-880 m) during two different cruises: Migragel II (May 1988) and Medapp (May 1990) in the Ligurian Sea (north-west Mediterranean) between Villefranche-sur-Mer (French Riviera) and Corsica, respectively by the `Cyana' and `Johnson-Sea-Link' manned submersibles.