Schell, S.C. (1973)
Rugogaster hydrolagi gen. et sp. n. (Trematoda: Aspidobothrea: Rugogastridae fam. n.) from the Ratfish, Hydrolagus colliei (Lay and Bennett, 1839). Journal of Parasitology, 59(5), 803–805
DOI: 10.2307/3278410
Schell, S.C. (1972)
Otodistomum hydrolagi sp. n. (Trematoda: Azygiidae) from the coelom of the ratfish, Hydrolagus colliei (Lay and Bennett, 1839). Journal of Parasitology, 58(5), 885–886