Plethodon ainsworthi Lazell, 1998

Ainsworth’s salamander, Bay Springs salamander



Taxonomy & Nomenclature

This taxon may be invalid as morphological distortion may have taken place due to improper preservation of the types (Himes & Beckett, 2013).


Conservation Status


Last record: 12 June 1964

IUCN RedList status: Extinct



"two miles south of Bay Springs, Jasper County, Mississippi, USA" (Hammerson, 2004)






Only known from two specimens (Lazell, 1998; Hammerson, 2004)






Original scientific description:

Lazell, J. (1998). New salamander of the genus Plethodon from Mississippi. Copeia 1998: 967-970.


Other references:

Blackburn, L., Nanjappa, P. and Lannoo, M.J. 2001. An Atlas of the Distribution of U.S. Amphibians. Ball State University, Muncie, IN, USA.

Geoffrey Hammerson. (2004). Plethodon ainsworthi. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 17 February 2013.

Geoffrey Hammerson. 2004. Plethodon ainsworthi. The IUCN Red List of Threatened Species 2004: e.T29488A9501575. Accessed on 02 July 2022.

Himes, John G. and Beckett, David C. (2013). The Status of Plethodon ainsworthi Lazell: Extinct, Extant, or Nonexistent? Southeastern Naturalist 12(4): 851-856. [Abstract]

Regalado, Pedro Galán. (2015). Los Anfibios y Reptiles Extinguidos: Herpetofauna Desaparecida Desde el Año 1500. Monografías de la Universidade da Coruña 155: 1-509.


<< Back to the Urodela database