Lower bathyal (1000 m to 2000 m), 1947 m. [details]
The generic name is derived from Orenoque, the site where the species was collected. The gender is feminine. [details]
Holotype, 7 mm, MNHN-Am 4903.Type locality. Barbados Trench, North Atlantic Ocean (10°19.97’N 58°37.30’W), ... [details]
Holotype, 8 mm, MNHN-Am 4904. Type locality. Barbados trench, North Atlantic Ocean (10°19.97'N 58°37.30'W), 1947 ... [details]