Spea hammondii[2][3][4][5][6][7][8][9][10] är en groddjursart som först beskrevs av Baird 1859. Spea hammondii ingår i släktet Spea och familjen Scaphiopodidae.[11][12] IUCN kategoriserar arten globalt som nära hotad.[1] Inga underarter finns listade i Catalogue of Life.[11]
- ^ [a b] 2004 Spea hammondii Från: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2 <www.iucnredlist.org>. Läst 24 oktober 2012.
- ^ [a b] (1996) , database, NODC Taxonomic Code
- ^ [a b] Frost, Darrel R. (2009) , database. Amphibian Species of the World: an Online Reference v5.3
- ^ [a b] (2004) , database, Amphibian Species of the World: an Online Reference
- ^ [a b] Frost, Darrel R. (1997) , Amphibian Species of the World, A Taxonomic and Geographic Reference. Second edition
- ^ Flores-Villela, Oscar / McCoy, C. J., ed. (1993) Herpetofauna Mexicana: Lista anotada de las especies de anfibios y reptiles de México, cambios taxonómicos recientes, y nuevas especies, Carnegie Museum of Natural History Special Publication, no. 17
- ^ (2000) , database, Comisión Nacional para el Conocimiento y Uso de la Biodiversidad
- ^ Crother, Brian I., Jeff Boundy, Jonathan A. Campbell, et al. / Moriarty, John J., ed. (2000) Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with Comments Regarding Confidence in Our Understanding, Herpetological Circular, no. 29
- ^ Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes (2004) , Checklist of Vertebrates of the United States, the U.S. Territories, and Canada, draft (2004)
- ^ Crother, Brian I., Jeff Boundy, Frank T. Burbrink, et al. / Moriarty, John J., ed. (2008) Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, With Comments Regarding Confidence in Our Understanding, Sixth Ed., Herpetological Circular No. 37
- ^ [a b] Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (3 december 2011). ”Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist.”. Species 2000: Reading, UK. http://www.catalogueoflife.org/annual-checklist/2011/search/all/key/spea+hammondii/match/1. Läst 24 september 2012.
- ^ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 2011-04-26