| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Gnorimosphaeroma akanense Nunomura, 1998 |
Japan | ||
| Gnorimosphaeroma albicauda Nunomura, 2005 |
Japan | ||
| Gnorimosphaeroma anchialos Jang & Kwon, 1993 |
Korea | ||
| Gnorimosphaeroma boninense Nunomura & Satake, 2006 |
Japan | ||
| Gnorimosphaeroma chinense (Tattersall, 1921) |
Korea | ||
| Gnorimosphaeroma hoestandtli Kim & Kwon, 1985 |
Korea | ||
| Gnorimosphaeroma hokurikuense Nunomura, 1998 |
Japan | ||
| Gnorimosphaeroma insulare (Van Name, 1940) |
California, USA | ||
| Gnorimosphaeroma kurilense Kussakin, 1974 |
Kuril Islands, Russia | ||
| Gnorimosphaeroma naktongense Kwon & Kim, 1987 |
Korea | ||
| Gnorimosphaeroma noblei Menzies, 1954 |
California, USA | ||
| Gnorimosphaeroma oregonense (Dana, 1853) |
Northeast Pacific | ||
| Gnorimosphaeroma oregonensis (Dana, 1853) |
Stubby isopod | Eastern Pacific and Northwest Atlantic | |
| Gnorimosphaeroma ovatum (Gurjanova, 1933) |
Sea of Japan | ||
| Gnorimosphaeroma rayi Hoestlandt, 1969 |
Korea | ||
| Gnorimosphaeroma rebunense Nunomura, 1998 |
Japan | ||
| Gnorimosphaeroma tondaense Nunomura, 1999 |
Japan |