original description
Say, T. (1819). Conchology. In: Third American Edition of Nicholson's British Encyclopedia, or Dictionary of arts and sciences, illustrated by upwards of 180 elegant engravings. Mitchell, Ames and White; Philadelphia. 4: 20 pp., plates 1-4, available online at http://biodiversitylibrary.org/page/23205027
page(s): page 16 [details]
basis of record
Graf, D. L. (2001). The cleansing of the Augean Stables, or a lexicon of the nominal species of the Pleuroceridae (Gastropoda: Prosobranchia) of recent North America, North Mexico. <em>Walkerana.</em> 11 (27): 1-124. [details] Available for editors [request]
From editor or global species database