5/5/13  Harry Lee:

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I consider Turbonilla (Pyrgiscus) viridaria Dall (1884: 332) to be a senior synonym; see Lee (2009: 147; species no. 707).

Dall, W.H., "1883" [1884], On a collection of shells sent from Florida by Mr. Henry Hemphill. Proceedings of the United States National Museum 6(384) 318-342, pl. 10. Jan.

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11/8/17  Marlo: As of this date,                      considers both valid taxa.