Traits taxon details
original description
(of Planorbis anceps Menke, 1830) Menke, K. T. (1830). <i>Synopsis methodica molluscorum generum omnium et specierum earum, quae in Museo Menkeano adservantur; cum synonymia critica et novarum specierum diagnosibus</i>. Ed. 2, auctior et emendatior. Georg Uslar, Pyrmont. xvi + 168 [+ 1, errata] pp. , available online at http://biodiversitylibrary.org/page/13107961 page(s): 36 [details]
basis of record
Burch, J. B. (1989). <i>North American freshwater snails</i>. Malacological Publications, Hamburg, Michigan. pp. i-viii, 1-365. page(s): 198 [details]
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