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By: Clark, Roger N. (Biologist)Type: ArticleIn: Nemouria; occasional papers of the Delaware Museum of Natural HistoryVolume: 43Series:Issue:Date: 2000Page Range: 1--18Publication Info: [Greenville], Delaware Museum of Natural History,Subjects:
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By: Clark, Roger N. (Biologist)Type: ArticleIn: Nemouria; occasional papers of the Delaware Museum of Natural HistoryVolume: 42Series:Issue:Date: 2000-10-25Page Range: 1--16Publication Info: [Greenville], Delaware Museum of Natural History,Subjects:
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By: Clark, Roger N. (Biologist)Type: ArticleIn: American malacological bulletinVolume: 15Series:Issue:Date: 1999Page Range: 33--46Publication Info: [Hattiesburg, Miss.?], [American Malacological Union], 1983-Subjects:
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By: Clark, Roger N. (Biologist)Type: ArticleIn: American malacological bulletinVolume: 25Series:Issue: 1Date: 2008Page Range: 77--86Publication Info: [Hattiesburg, Miss.?], [American Malacological Union], 1983-Subjects: