Makrokylindrus americanus Bacescu, 1962
Makrokylindrus americanus Bacescu, 1962: 213 –216, Fig. 4 (Type locality: Station 122, L.G.O., Pacific Ocean, Western tropical America, 7°25’N, 79°23’W; depth 1,748 m. Holotype male juvenile, MGAB).
Makrokylindrus (Adiastylis) americanus Bacescu, 1992: 354 (Catalogue) .
Geographic distribution. Only known from type locality. Habitat. Depth 1,748 m.
Observation. This species was not found in our samples.