Turbellarians source details
Hyman, L. H. (1939). North American Rhabdocoela and Alloeocoela. V. Two New Mesostomine Rhabdocoela. The American Midland Naturalist. 22(3): 629–636.
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Hyman, L. H.
1939
North American Rhabdocoela and Alloeocoela. V. Two New Mesostomine Rhabdocoela.
The American Midland Naturalist
22(3): 629–636
Publication
Available for editors 
America, North
Systematics, Taxonomy
Mesostoma columbianum Hyman, 1939 (original description)
Mesostoma macroprostatum Hyman, 1939 (original description)
Mesostoma pattersoni Silliman, 1884 (status source)
Mesostoma simplex Higley, 1918 (status source)
Mesostoma macroprostatum Hyman, 1939 (original description)
Mesostoma pattersoni Silliman, 1884 (status source)
Mesostoma simplex Higley, 1918 (status source)
District of Columbia for Mesostoma columbianum Hyman, 1939
Wyoming for Mesostoma macroprostatum Hyman, 1939
Wyoming for Mesostoma macroprostatum Hyman, 1939