| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Pseudione ampla Markham, 1988 |
Western Central Atlantic | ||
| Pseudione biacuta Bourdon, 1979 |
Southwest Atlantic | ||
| Pseudione borealis Caspers, 1939 |
Northeast Atlantic | ||
| Pseudione brandaoi Brian & Dartevelle, 1941 |
Eastern Central Atlantic | ||
| Pseudione calcinii Shiino, 1958 |
Northwest Pacific | ||
| Pseudione callianassae Kossmann, 1881 |
Northeast Atlantic | ||
| Pseudione clevai Boyko, 2004 |
Western Central Pacific | ||
| Pseudione cognata Markham, 1985 |
Western Central Atlantic | ||
| Pseudione galacanthae Hansen, 1897 |
Squat lobster parasitic isopod | Eastern Pacific | |
| Pseudione giardi Calman, 1898 |
Northeast Pacific and Northeast Atlantic | ||
| Pseudione hyndmanni (Bate & Westwood, 1868) |
Southwest Pacific and Northeast Atlantic | ||
| Pseudione intermedia Nierstrasz & Brender à Brandis, 1932 |
Northwest Pacific | ||
| Pseudione ivanklini Horch, Huber, Araujo & Ribeiro, 2018 |
Southwest Atlantic | ||
| Pseudione longicauda Shiino, 1937 |
Northwest Pacific | ||
| Pseudione novaeguineensis Danforth, 1971 |
Western Central Pacific | ||
| Pseudione overstreeti Adkison & Heard, 1995 |
Western Central Atlantic | ||
| Pseudione parviramus Adkison, 1988 |
Western Central Atlantic | ||
| Pseudione quasimodo Boyko & Williams, 2004 |
Western Central Atlantic | ||
| Pseudione serejoae Brito, Cardoso & Boyko, 2018 |
Southwest Atlantic | ||
| Pseudione stylopoda Boyko, 2004 |
Western Central Pacific | ||
| Pseudione tattersalli Nierstrasz & Brender a Brandis, 1923 |
Western Pacific | ||
| Pseudione tuberculata Richardson, 1904 |
Southern Atlantic |