Pythonaster atlantidis $ A.H. Clark 1948: 76–77; $ A.M. Clark & Downey 1992: 339; $ Mah et al. 2012: 60–61, figs. 3A–D; Dilman 2014: 37.
Type locality: Azores (35°37’N, 30°51’W).
See: A.M. Clark & Downey (1992); Mah et al. (2012).
Occurrence: North Atlantic, from Hudson Canyon (38°25’N, 70°52’W; Mah et al. 2012) east to the Porcupine Abyssal Plain (SW Ireland; Howell et al. 2002) and southern Azorean waters (A.H. Clark 1948).
Depth: 2,976–4,877 m (Mah et al. 2012); AZO: 3,200 m (A.H. Clark 1948).
Larval stage: possibly direct development (A.M. Clark & Downey 1992).
Remarks: currently, P. atlantidis is known from the Azores only from the type specimen collected by Atlantis, at the border between the Azorean and Meteor Seamount.