(Fig. 5)
Pseudonesimus abyssi Chevreux, 1926: 3, fig. 2.— Chevreux, 1935: 14, pl. 10, fig. 3.— Schellenberg, 1955: 191.—J.L. Barnard, 1958: 98 (list).— Belloc, 1960: 7.
Schisturella abyssi.―J.L. Barnard, 1967: 72, figs 31, 32 (key).― Barnard & Karaman, 1991: 527.― Thurston, 2000: 360, table 5.― Larsen, 2007: 14 (key).
Types. Chevreux’s description mentions just one specimen, a (?) juvenile male, 6 mm. A specimen registered as MNHN Am 7587, on 7 slides corresponds with the type locality and has “sp. nov.” labeled on the slides.
Type locality. Gulf of Gascony, 4380 m, Globigerina ooze, Princesse Alice stn 2964.
Habitat. Globigerina ooze.
Depth range. 2706–4380 m (Chevreux 1926, J.L. Barnard 1967)
Distribution. Northeast Atlantic Ocean. Gulf of Gascony (Chevreux 1926). Northeastern Pacific Ocean. Cedros Trench (J.L. Barnard 1967).