Robinson, Edward S. (1961). "Some Monogenetic Trematodes from marine fishes of the Pacific". Transactions of the American Microscopical Society. 80 (3): 235–266. doi:10.2307/3223640. ISSN0003-0023. JSTOR3223640.
Dillon, William Arthur; Hargis, William J. (1965). "Monogenetic Trematodes from the Southern Pacific Ocean: 2. Polyopisthocotyleids from New Zealand Fishes: The Families Discocotylidae, Microcotylidae, Axinidae, and Gastrocotylidae". Biology of the Antarctic Seas II. Antarctic Research Series. pp. 251–280. doi:10.1029/AR005p0251. ISBN9781118668627. ISSN2328-9201.
Robinson, Edward S. (1961). "Some Monogenetic Trematodes from marine fishes of the Pacific". Transactions of the American Microscopical Society. 80 (3): 235–266. doi:10.2307/3223640. ISSN0003-0023. JSTOR3223640.
Robinson, Edward S. (1961). "Some Monogenetic Trematodes from marine fishes of the Pacific". Transactions of the American Microscopical Society. 80 (3): 235–266. doi:10.2307/3223640. ISSN0003-0023. JSTOR3223640.
Dillon, William Arthur; Hargis, William J. (1965). "Monogenetic Trematodes from the Southern Pacific Ocean: 2. Polyopisthocotyleids from New Zealand Fishes: The Families Discocotylidae, Microcotylidae, Axinidae, and Gastrocotylidae". Biology of the Antarctic Seas II. Antarctic Research Series. pp. 251–280. doi:10.1029/AR005p0251. ISBN9781118668627. ISSN2328-9201.