Robert Fenaux

Journal of the Marine Biological Association of the United Kingdom. Volume 73, Issue 3, August 1993, pp. 635-646

A new genus of midwater appendicularian: Mesoikopleura with four species

Sampled at 700-900 m depth. No buccal glands. Trunk sizes 740~1400 µm. Tail sizes of 7200~8750 µm. Either numerous small amphicordal cells on both sides of the tail (M. enterospira, M. youngbluthi) or seven (4+3) fusiform amphicordal celss (gyroceanis). Splits Oikopleurinae into two groups according to the presence or absence of buccal lips: Alabiata and Labiata.