WoRMS source details
Ching, H. L., Grosholz, E. (1988). Occurrence of a metacercaria (Trematoda, Gymnophallidae) in acmaeid gastropods, Lottia digitalis and Collisella scabra. Proceedings of the Helminthological Society of Washington. 55 (1): 104–105.
442393
Ching, H. L., Grosholz, E.
1988
Occurrence of a metacercaria (Trematoda, Gymnophallidae) in acmaeid gastropods, Lottia digitalis and Collisella scabra
Proceedings of the Helminthological Society of Washington
55 (1): 104–105
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Parvatrema obscurum (Ching, 1960) James, 1964 accepted as Gymnophallus obscurus Ching, 1960 (redescription)
Northern California for Parvatrema obscurum (Ching, 1960) James, 1964