Hydrolagus melanophasma James, Ebert, Long & Didier, 2009 .

Eastern Pacific Black Ghostshark or Black Ghost Chimaera. To 128 cm (50.4 in) TL (James et al. 2009). Monterey Bay, central California to Gulf of California (Ebert 2016), to Valdivia, Chile (Aguirre-Villaseñor et al. 2013). Depth: 31–1,903 m (102–6,242 ft) (min.: James et al. 2009; max.: Mejía-Mercado et al. 2014).