Penner, L. R., Trimble, J. J. (1970). Philophthalmus larsoni sp. n., an ocular trematode from birds. University of Connecticut Occasional Papers. 1: 265–273.
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Penner, L. R., Trimble, J. J.
1970
Philophthalmus larsoni sp. n., an ocular trematode from birds.