Prognatholiparis ptychomandibularis Orr & Busby, 2001

Love, Milton S., Bizzarro, Joseph J., Cornthwaite, Maria, Frable, Benjamin W. & Maslenikov, Katherine P., 2021, Checklist of marine and estuarine fishes from the Alaska-Yukon Border, Beaufort Sea, to Cabo San Lucas, Mexico, Zootaxa 5053 (1), pp. 1-285 : 143

Prognatholiparis ptychomandibularis Orr & Busby, 2001 .

Wrinklejaw Snailfish. Length to 9.8 cm (3.9 in) SL (Personal communication: University of Washington, Burke Museum of Natural History and Culture Fish Collection, Seattle, Washington). Known from three specimens taken in and around Seguam Pass, central Aleutian Islands, Alaska ( Orr and Busby 2001, Maslenikov et al. 2013). Depth: 448–455 m (1,469 –1,493 ft) (min.: Maslenikov et al. 2013; max.: Mecklenburg et al. 2002).