Traits name details
original description
(of Pentagramma symmetricum Chulkova, 1939) Chulkova, V. N. (1939). Parasites of marine fishes in the vicinity of Batumi (Black Sea). <em>Uchen. Zap. leningr. gos. Univ. (43) (ser. biol. nauk).</em> (11) : 21–32. (In Russian.). page(s): 25 [details]
additional source
Bykhovskaya-Pavlovskaya, I. E.; Kulakova, A. P. (1987). Class Trematoda. <em>Keys to the parasites of freshwater fishes of the fauna of the USSR.</em> Vol. 3, pp. 77–198. (In Russian). [details]
redescription
Semenova, N. N., Ivanov, V. P., Ivanov, V. M. (2007). <em>Parasitic fauna and diseases of fishes of the Caspian Sea.</em> Astrakhan: ASTU Press, 559 pp. (In Russian). page(s): 155 [details]
new combination reference
Yamaguti, S. (1971). Synopsis of digenetic trematodes of vertebrates. 2 Vols. <em>Keigaku Publishing Co., Tokyo.</em> pp. 1-1074. page(s): 74 [details]
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