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Harman, W. J. (1973). New Species of Oligochaeta (Naididae) with Additional Distributional Records from Oklahoma and Texas. The Southwestern Naturalist. 18(2): 151-164.
Harman, W. J. (1973). New Species of Oligochaeta (Naididae) with Additional Distributional Records from Oklahoma and Texas. The Southwestern Naturalist. 18(2): 151-164.
