Barker, F. D. & Parsons, S. (1914). A new aspidobothrid treniatode from Lesseur's terrapin. Trans. Amer. micr. Soc. 33, 261–2.
Cunningham, J. T. (1884). A new marine trematode belonging to the Polystomidae. Zool. Anz. 7, 399.
Cunningham, J. T. (1887). On Stichocotyle nephiropis, a new trematode. Trans. roy. Soc. Edin. 32, 273–80.
Eckmann, F. (1932). Über zwei neue Trematoden der Gattung Aspidogaster. Z. Parasitenk. 4 (3), 395–9.
Faust, E. C. (1922). Notes on the excretory system in Aspidogaster conchicola. Trans. Amer. micr. Soc. 41, 113–17.
Faust, E. C. (1932). The excretory system as a method of classification of digenetic trematodes. Quart. Rev. Biol. 7, 458–68.
Fuhrmann, O. (1928). Zweite Kiasse des Cladus Plathelminthes. Trematoda. In Küken thals' Handbuch der Zoologie, 2, 1–140.
Leidy, J. (1857). [Observation on Entozoa found in the Naiades.] Proc. Acad. nat. Sci. Philad. 9, 18.
Looss, A. (1901). Über Trematoden aus Seeschildkröten der Ägyptischen Küsten. Zbl. Bakt. (Abt. i), 30, 555–69, 618–25.
Manter, H. W. (1932). Continued studies on trematodes of Tortugas. Yearb. Carneg. Instn, No. 31, pp. 287–8.
Monticelli, F. S. (1892). Cotylogaster michaelis n.g., n.sp., e revisione degli Aspidobothridae. Festschr. Leuckart, pp. 166–214.
Nickerson, W. S. (1895). On Stichocotyle nephropis Cunningham, a parasite of the American lobster. Zool. Jb. (Abt. Anat.), 8, 447–80.
Odhner, T. (1910). Stichocotyle nephropis J. T. Cunningham, ein aberranter Trematode der Digenenfamilie Aspidogastridae. K. svenska Vetensk Akad. Handl. 45 (3), 16 pp.
Olsson, P. (1868–1869). Prodromus faunae copepodorum parasitantium Scandinaviae. Acta Univ. Lund. 5, 49 pp.
Osborn, H. L. (1904). On the habits and structure of Cotylaspic insignis Leidy. Zool. Jb. (Abt. Anat.), 21, 201–42.
Poche, F. (1907). Einige Bemerkungen any Nomenclatur der Trematoden. Zool. Anz. 31, 124–6.
Poirier, J. (1886). Trématodes nouveaux on peu connus. Bull. Soc. philom. Paris, 7e sér., 10, 20–40.
Popoff, N. P. (1926). Zur Fauna der parasitisch lebenden Würmer des Don Die parasitische Würmer des Brassens (Abramis brama). Russ. Hydrobiol. Z. 5 (3–4), 45–72 (Russian text).
Rumbold, D. W. (1927). A new trematode from the snapping turtle. J. Mitchell Soc. 43, 195–7.
Shipley, A. E. & Hornell, J. (1904). The parasites of the pearl oyster. Rept. Govt. Ceylon on Pearl Oyster Fisheries of the Gulf of Manaar, 2, 77–106.
Simer, P. H. (1929). Fish trematodes from the lower Tallahatchie River. Amer. Midl. Nat. 11, 563–83.
Stossich, M. (1899). Appunti di Elmintologia. Boll. Soc. adriat. sci. nat. 19, 1–6.
Stunkard, H. W. (1917). Studies on North American Polystomidae, Aspidogastridae, and Paramphistomidae. Illinois Biol. Monogr. 3 (3), 1–114 pp.
von Baer, K. E. (1826). Sur les entozoaires ou vers intestinaux. Bull. sci. nat. géol., Paris, 9, 123–6.
Ward, H. B. (1918). Parasitic flatworms. In Ward and Whipple's Fresh-Water Biology, pp. 365–453.
Ward, H. B. & Hopkins, S. H. (1931). A new North American aspidogastrid, Lophotaspis interiora. J. Parasit. 18, 69–78.