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dc.creatorCrowell, Robert M.en_US
dc.creatorDavids, Cornelisen_US
dc.identifier.citationThe Ohio Journal of Science. v79, n4 (July, 1979), 178-186en_US
dc.descriptionAuthor Institution: Department of Biology, Saint Lawrence University; Zoologisch Laboratorium, Universiteit van Amsterdam, The Netherlandsen_US
dc.description.abstractThe sponge-associated Hydracarina of North America historically have been considered conspecific with the European species Unionicola crassipes (Miiller 1776). Ratio diagrams based on numerous morphological characteristics distinguish the North American crassipes-like mites from U. crassipes and two North American species are described. Unionicola laurentiana, n.sp., occurs in the Laurentian Great Lakes and St. Lawrence River basins. U. nearctica, n.sp., occurs in that region and its range extends across Canada from Ontario to British Columbia.en_US
dc.format.extent585214 bytes
dc.titleSystematics of Unionicola Laurentiana, N.Sp., and U. Nearctica, N. Sp., Sponge-Associated Hydracarina (Parasitengona: Unionicolidae) from North Americaen_US

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