original descriptionLinton, E. (1914). Notes on a viviparous Distome. <em>Proceedings of the United States National Museum.</em> 46: 551-555. page(s): 551 [details]
additional sourceLinton, E. (1928). Notes on trematode parasites of birds. <em>Proceedings of the United States National Museum.</em> 73, 1–36. page(s): 22 [details]
source of synonymyCable, R.M.; Martin, W.E. (1935). Parorchis avitus (Linton, 1914), a synonym of P. acanthis (Nicoll, 1906). J. Parasitol. 21: 436-437 (look up in IMIS) [details]
redescriptionSkrjabin, K. I. (1947). Family Philophthalmidae Travassos, 1918. <em>Osnovy Trematodologii.</em> 1:182–213. (In Russian, English translation, 1979, by Amerind Publishing Co.). page(s): 204 [details]
redescriptionYamaguti S. (1975). <em>A synoptical review of life histories of digenetic trematodes of vertebrates with special reference to the morphology of their larval forms.</em> Tokyo, Keigaku Publishing Co. pp. LXI I + 590 + 219 plates. page(s): 201 [details]
redescriptionStunkard, H. W. (1983). The marine cercariae of the Woods Hole, Massachusetts region, a review and a revision. <em>Biological Bulletin.</em> 164 (2): 143–162. page(s): 159 [details]