Stephonyx mytilus (Barnard & Ingram, 1990)
Euonyx mytilus Barnard & Ingram, 1990: 3, figs 1–3.— Vinogradov, 1995: 77 (table 1).
Stephonyx mytilus .— Diffenthal & Horton, 2007: 39 (key).— Narahara et al., 2012: 1499, 1505 (key), figs 1, 15–18.
Types. Holotype, female “x”, 20.04 mm, USNM 195194.
Type locality. Garden of Eden, Galapagos vents, eastern Pacific Ocean (00°47.9'N 86°09.2'W), 2491 m depth .
Habitat. Marine, thermal vents.
Depth range. 2447–2635 m (J.L. Barnard & Ingram 1990).
Feeding strategies. Scavenger.
Distribution. Eastern Pacific Ocean. Galapagos vents, Garden of Eden, Rose garden, and Thirteen Degree North Rift (Barnard & Ingram 1990). Western Pacific Ocean. Japan (Narahara et al. 2012).