Patera appressa (Say, 1821), an introduced land snail in Ontario, Canada (Mollusca: Gastropoda: Polygyridae)

Robert Forsyth; Michael Oldham; Frederick Schueler

doi:10.15560/11.2.1583

Check List 11(2): e19181, doi: 10.15560/11.2.1583

Patera appressa (Say, 1821), an introduced land snail in Ontario, Canada (Mollusca: Gastropoda: Polygyridae)

Robert G. Forsyth^‡, Michael J. Oldham^§, Frederick W. Schueler^|

‡ New Brunswick Museum, Canada§ Natural Heritage Information Centre, Ontario Ministry of Natural Resources and Forestry, Canada| Bishops Mills Natural History Centre, Canada

Corresponding author: Robert Forsyth ( rforsyth@telus.net )

This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Citation: Forsyth R, Oldham M, Schueler F (2015) Patera appressa (Say, 1821), an introduced land snail in Ontario, Canada (Mollusca: Gastropoda: Polygyridae). Check List 11(2): 1583. https://doi.org/10.15560/11.2.1583

Abstract

The geographic distribution and habitat of Patera appressa (Say, 1821) in Canada are described. This is a North American land snail native to the southern Appalachians but it has been known, since 1994, from a cluster of sites in Trenton, City of Quinte West, Ontario, where it is presumably introduced. It may no longer be extant at any of the known Ontario sites.

Keywords

introduced species; geographic distribution; Mollusca; Gastropoda; Polygyridae; Ontario; Canada