| Species name | Common name | Distribution | Max. Length (cm) | 
|---|---|---|---|
| Amastigia benemunita (Busk, 1884) | Southwest Atlantic and Antarctic | ||
| Amastigia crassimarginata (Busk, 1884) | Southwest Atlantic | ||
| Amastigia funiculata (MacGillivray, 1886) | Antarctic Pacific | ||
| Amastigia gaussi (Kluge, 1914) | Southern Pacific, Southwest Atlantic and Antarctic Atlantic | ||
| Amastigia tricervicornis Gluhak, Lewis & Popijac, 2007 | Northwest Pacific | ||
| Amastigia vibraculifera Hastings, 1943 | Southwest Atlantic |