Barathrodemus, Goode, G. B. & Bean, T. H., 1883

Goode, G. B. & Bean, T. H., 1883, Reports on the results of dredging under the supervision of Alexander Agassiz, on the east coast of the United States, during the summer of 1880, by the U. S. coast survey steamer “ Blake, ” Commander J. R. Bartlett, U. S. N., commanding., Bulletin of the Museum of Comparative Zoology at Harvard College 10 (5), pp. 183-226 : 200

BARATHRODEMUS , new genus.

Diagnosis. -Body brotuliform, much compressed; head considerably compressed with mouth moderate (in the type species extending to the vertical through the middle of the eye). Eye moderate. Head spineless, except a short flattened spine at the upper angle of the operculum. Snout long, projecting far beyond the tip of the upper jaw, its extremity much swollen. Jaws nearly equal in front. Teeth minute in villiform bands on jaws, vomer, and palatines . Barbel none. Anterior pair of nostrils open and situated at the outer angles of the dilated snout, circular, each surrounded with a cluster of mucous tubes. Posterior nostrils over anterior upper margin of orbit. Gill openings wide, membranes not united. Gills four, with a slit behind the fourth : gill laminas moderate in length. Gill rakers also moderate : not numerous. PseudobranchisB absent : a small, separate caudal fin considerably prolonged.

Dorsal and anal fins long. Branchiostegals, eight. Body and head covered with small, thin scales, those 011 the body scarcely imbricated. Lateral line absent (?). Ventrals reduced each to a single bifid ray, close together, far in front of the pectorals.