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Survey Of Mollusks Of The Niobrara River: Final Report, Patricia W. Freeman, Keith Perkins
Survey Of Mollusks Of The Niobrara River: Final Report, Patricia W. Freeman, Keith Perkins
School of Natural Resources: Faculty Publications
We surveyed the mollusks of the Niobrara River in Nebraska from 1992–1996. We found two species of unionid clams and ten species of snails that either must live in water or near water. Both clams and snails are poorly sampled in the state, however we attribute the low number of species of unionid clams in the Niobrara to its cold, fast flow and rocky bottom. In contrast, the Platte River is slower moving with a muddy bottom and has at least 11 species of unionid clams. Each species has been mapped with latitude/longitude coordinates. Specimens have been curated and are …