Taylor D.W. (1985). Pecosorbis, a new genus of fresh-water snails (Planorbidae) from New Mexico. New Mexico Bureau of Mines and Mineral Resources: Circular. 194: 1–17.
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Taylor D.W.
1985
Pecosorbis, a new genus of fresh-water snails (Planorbidae) from New Mexico
New Mexico Bureau of Mines and Mineral Resources: Circular