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Missouri Department of Conservation
MDC Discover Nature
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Orange or rusty
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Olive
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Clear, rocky rivers, streams and springs
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2 to 3 inches
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Orange or rusty
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Bryozoans (Moss Animals)
Freshwater species in the phylum Bryozoa
Freshwater Mussels
Bivalve molluscs in order Unionoida
Ringed Crayfish
Faxonius neglectus (formerly Orconectes neglectus)
Spothanded Crayfish
Faxonius punctimanus (formerly Orconectes punctimanus)
Turbellarians (Planarians; Free-Living Flatworms)
Species in genera Dugesia, Planaria, etc.
Virile Crayfish (Northern Crayfish)
Faxonius virilis (formerly Oronectes virilis)
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