Planktonic Coelenterates Collected in the North Atlantic Ocean

This short faunistic note contains a report on the species of Scyphozoa, Hydromedusae, Siphonophora and Ctenophora that were collected by OWS “Cirrus” and “Cumulus”, R.V. “Tridens” and HMS “Snellius” in the North Atlantic Ocean between 22° N and 66° N. In all, 61 species have been captured. New records for Calycopsis typa Fewkes, 1882, Cunina duplicata Maas, 1893, Sibogita geometrica Maas, 1905 ssp. occidentalis Kramp, 1959, Apolemia uvaria (Lesueur, 1811), Thalassophyes crystallina Moser, 1925 and Crystallophyes amygdalina Moser, 1925, are given.