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Nelson's small-eared shrew
The species was discovered by Edward William Nelson and Edward Alphonso Goldman in 1894, who collected a number of specimens from the slopes of the San Martín volcano in Veracruz, Mexico. The species was then not recorded again, and thought by many to be extinct, until being rediscovered in the same area in 2004 (as described in 2009). Its biology is essentially unknown.
- Woodman, N., Matson, J., Cuarón, A.D. & de Grammont, P.C. (2008). "Cryptotis nelsoni". IUCN Red List of Threatened Species. Version 2010.3. International Union for Conservation of Nature. Retrieved 25 Sep 2010.
- 'Extinct' tiny shrew rediscovered
- Rediscovery of the critically endangered Nelson's small-eared shrew (Cryptotis nelsoni), endemic to Volcán San Martín, Eastern México