Pseudostichopus atlanticus Perrier, 1898 — Deichmann 1930: 87–88.
Type locality: between the Azores and European waters (42°19’00”N, 21°15’46”W).
See: Perrier (1902: 333–337, pl. 17, figs. 15–20, as Pseudostichopus atlanticus); O’Loughlin & Ahearn (2005: 153, figs. 3a, b, 4a–d, 6a, b); Bohn (2006: 16–19, figs. 9A, 10).
Occurrence: cosmopolitan, Atlantic and Pacific deep waters; from the Caribbean north to west of Greenland (O’Loughlin & Ahearn 2005), east to the West European Basin and south to Southern Africa (Bohn 2006).
Depth: 2,610 – 5,415 m (O’Loughlin & Ahearn 2005, Bohn 2006).
Habitat: mud (Perrier 1902).
Remarks: see remarks under Molpadiodemas villosus.