TABLE 2. Updated list of the 20 valid species of the genus Nausithoe K̂lliker, 1853, and brief information about life cycle and geographical distribution (with new localities for some species, obtained from museum specimens).

valid Species name	Polyp	Medusa	Synonyms	Distribution	New localities
Nausithoe albatrossi	Not known	Present	Nauphanta albatrossi	E Pacific, deep sea E Pacific, deep sea	-
Nausithoe atlantica	Not known	Present		N Atlantic, deep sea	NE Pacific, USA
Nausithoe challengeri	Not known	Present	Nauphanta challengeri	S Atlantic, deep sea S Atlantic, deep sea	Mid N Atlantic
Nausithoe clausi	Not known	Present		N Pacific, E of Caroline islands	-
Nausithoe eumedusoides	Solitary	Reduced	Stephanoscyphus eumedusoides	Mediterranean, submarine caves Mediterranean, submarine caves	-
Nausithoe globifera	Solitary	Present		NE Atlantic, deep sea	Mediterranean
Nausithoe hagenbecki	Solitary	Present		unknown, aquarium animal	-
Nausithoe limpida	Not known	Present		NW Atlantic, deep sea	-
Nausithoe maculata	Solitary	Present	Nausithoe aurea	W Atlantic, shallow water SW Atlantic, shallow water	-
Nausithoe marginata	Solitary	Present		Mediterranean, shallow water	Puerto Rico
Nausithoe picta	Not known	Present		Malayan Archipelago and CE Pacific	-
Nausithoe planulophora	Solitary	Absent	Stephanoscyphus planulophorus	Mediterranean, submarine caves Mediterranean, submarine caves	-
Nausithoe punctata	Colonial	Present	Stephanoscyphus mirabilis Nausithoe albida Nausicaa phaecum Liniscus cyamopterus Nausithoe punctata var. pacifica	Worldwide(?), shallow water Antibes, France Messin, Italy Corfu, Greece Cape Verde, W Africa Suva Island, Fiji	-
Nausithoe racemosa	Colonial	Reduced	Stephanoscyphus racemosus	Japan, shallow water Japan, shallow water	-
Nausithoe rubra	Not known	Present		Worldwide(?), deep sea	-
Nausithoe simplex	Solitary	Not known	Stephanoscyphus simplex Stephanoscyphistoma simplex	NW Atlantic, deep sea S Greenland S Greenland	-
Nausithoe sorbei	Solitary	Present		NE Atlantic, deep sea	-
Nausithoe striata	Solitary	Not known	Tubularia striata Scyphistoma striatum Stephanoscyphus striatus Stephanoscyphistoma striatus	Antarctica, deep sea Antarctica, deep sea Antarctica, deep sea Antarctica, deep sea Antarctica, deep sea	-
Nausithoe thieli	Solitary	Present (only ephyra known)		Red Sea, deep sea	-
Nausithoe werneri	Solitary	Present		NE and SW Atlantic, Mediterranean and Artic Ocean, deep sea	-