REPAD: The Recently Extinct Plants and Animals Database
Contains 12,647 taxa as of November 2025.
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Batrachoseps relictus ssp. nov. 'Breckenridge'

Breckenridge Mountain slender salamander

 

 

Taxonomy & Nomenclature

 

 

Conservation Status

Last record: 1983

Rediscovered: 2001

 

Distribution

California, USA

 

Biology & Ecology

 

 

Hypodigm

 

 

Media

 

 

References

Jockusch, Elizabeth L. et al. (2012). Morphological and molecular diversification of slender salamanders (Caudata: Plethodontidae: Batrachoseps) in the southern Sierra Nevada of California with descriptions of two new species. Zootaxa 3190: 1-30.

Suckling, Kieran, Slack, Rhiwena and Nowicki, Brian. (2004). Extinct and the Endangered Species Act. Centre For Biological Diversity. 63 pp.

 

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Aquiloeurycea praecellens (Rabb, 1955)

Admirable False Brook salamander

 

 

Taxonomy & Nomenclature

Synonym/s: Parvimolge praecellens Rabb, 1955 (protonym); Pseudoeurycea praecellens (Rabb, 1955)

 

Conservation Status

Missing

Last record: 24 December 1940

IUCN RedList status: Critically Endangered (Possibly Extinct)

 

Distribution

Mexico

 

Biology & Ecology

 

 

Hypodigm

Only known from the holotype.

 

Media

 

 

References

Original scientific description:

Rabb, George B. (1955). A new salamander of the genus Parvimolge from Mexico. Breviora 1955: 1-9.

 

Other references:

IUCN SSC Amphibian Specialist Group. (2016). Aquiloeurycea praecellens. The IUCN Red List of Threatened Species 2016: e.T59391A53983683. http://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T59391A53983683.en. Downloaded on 17 December 2016.

Parra-Olea, G., García-París, M. and Wake, D.B. 1999. Status of some populations of Mexican salamanders. Revista de Biologia Tropical 47: 217-223.

Rovito, S.M., Parra-Olea, G., Recuero, E. and Wake, D.B. 2015. Diversification and biogeographical history of Neotropical plethodontid salamanders. . Zoological Journal of the Linnean Society 175: 167-188.

Wake, D.B. and Elias, P. 1983. New genera and a new species of Central American salamanders, with a review of the tropical genera (Amphibia, Caudata, Plethodontidae). Natural History Museum of Los Angeles County - Contributions in Science 345: 1-19.

Wake, D.B. and Lynch, J.F. 1976. The distribution, ecology, and evolutionary history of plethodontid salamanders in tropical America. Science Bulletin of the Natural History Museum of Los Angeles County 25: 1-65.

http://extinctanimals.proboards.com/thread/10331/pseudoeurycea-praecellens-admirable-false-salamander

 

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Ambystoma lermaense Taylor, 1940

Lake Lerma salamander, Rio Lerma salamander

 

 

Taxonomy & Nomenclature

Synonym/s: Siredon lermaensis Taylor, 1940

 

Conservation Status

Missing

Last record: ?

IUCN RedList status: Critically Endangered

 

Ambystoma lermaense may exist in captivity (Aguilar-Miguel et al. 2009). Alternatively, it may exist in the remaining wetlands, either relictually or as a reintroduced population (source). Its exact conservation status needs investigating by qualified personnel.

 

Distribution

Lake Lerma, Mexico

 

Biology

 

 

Hypodigm

Holotype: FMNH 100029 [ex EHT–HMS No. 22578? (Smith & Taylor, 1948:8)]

Type locality: “Lake Lerma, east of Toluca, México”

 

Media

 

 

References

Original scientific description:

Taylor, E. H. (1940 "1939"). New salamanders from Mexico, with a discussion of certain known forms. University of Kansas Science Bulletin 26: 407-430.

 

Other references:

Aguilar-Miguel, X., Casas-Andreu, G., and Pineda-Arredondo, E. (2002). Ambystoma lermaense (Lake Lerma salamander). Reproduction and Development. Herpetological Review 33(3): 197.

Aguilar-Miguel, X., Legorreta, G. and Casas-Andreu, G. (2009). Reproducción ex situ en Ambystoma granulosum y Ambystoma lermaense (Amphibia: Ambystomatidae). Acta Zoológica Mexicana 25(3): 443-454.

García-París, M., Parra Olea, G., & Aguilar Miguel, X. (2005). Respuesta defensiva en Ambystoma lermaense (Caudata: Ambystomatidae). Boletín de la Asociación Herpetológica Española 15(2): 104-105.

Mexico Herpetology. (2006). Factsheet: Ambystoma lermaense. Dowloaded on 23/4/2011 (http://www.mexico-herps.com/caudata/ambystoma/ambystoma-lermaense)

Brad Shaffer, Gabriela Parra-Olea and David Wake (2004). Ambystoma lermaense. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. (http://www.iucnredlist.org). Downloaded on 19 August 2012.

Smith, Hobart M. and Taylor, Edward H. (1948). An Annotated Checklist and Key to the Amphibia of Mexico. Bulletin of the United States National Museum 194: iv + 118 pp.

Taylor and Smith, Proc. U. S. Nat. Mus., vol. 95, 1945, pp. 525-526.

http://extinctanimals.proboards.com/thread/15173/ambystoma-lermaense

 

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© 2025 The Recently Extinct Plants and Animals Database.
Edited and maintained by Branden Holmes (brndnholmes@gmail.com).