Structure, general characteristics, and salinity relationships of benthic macroinvertebrate associations in streams draining the southern Fort Union coalfield region of southeastern Montana - Geological Survey (U.S.) (Water Quality Bureau, Billings Regional Office, Environmental Sciences Division, Montana Dept. of Health and Environmental Sciences, 1980)

Die Strudelwürmer (Turbellaria) - Steinmann, Paul, 1885 - (W. Klinkhardt, 1913)

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Subtidal concrete piling fauna in Monterey Harbor, California - Donat, Winfield. (Naval Postgraduate School, 1975)

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Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1973)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1983)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1985)

Sylvatic species of Echinococcus from rodent intermediate hosts in Asia and South America - Gardner, Scott Lyell, 1956 - (Museum of Texas Tech University, 2013)

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