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Anniella geronimensis SHAW, 1940

IUCN Red List - Anniella geronimensis - Endangered, EN

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Higher TaxaAnguidae ( ),
Diploglossa, Anguimorpha, Sauria, Squamata (lizards)
Common NamesE: Baja California Legless Lizard
S: Lagartija Sin Patas 
SynonymAnniella geronimensis SHAW 1940
Anniella geronimensis — SMITH & TAYLOR 1950: 209
Anniella geronimensis — STEBBINS 1985: 242
Anniella geronimensis — LINER 1994
Anniella geronimensis — LINER 2007 
DistributionMexico (Baja California: from Rio Santo Domingo at Colonia Guerrero to El Rosario)

Type locality: Isla San Gerónimo, Baja California.  
TypesHolotype: SDNHM = SDSNH 7543, paratype SDNHM = SDSNH 7542. 
CommentSynonymy: Hunt (1983) synonymized geronimensis with pulchra, but later authors kept geronimensis, including Hunt 2008.

Limb morphology: Limbless.

Taxonomy: Listed by Liner 2007 as a member of the Anguidae.

Distribution: see map in Hunt 2008. 
EtymologyNamed after the type locality, Isla San Gerónimo. 
  • Hunt, L. E. 1983. A nomenclatural rearrangement of the genus Anniella (Sauria: Anniellidae). Copeia 1983 (1): 79-89 - get paper here
  • Hunt, L. E. 2008. Anniella geronimensis. Catalogue of American Amphibians and Reptiles (849): 1-3 - get paper here
  • Hunt, L.E. 2008. Anniella (Legless Lizards). Catalogue of American Amphibians and Reptiles (848): 1-11 - get paper here
  • Jones, L.L. & Lovich, R.E. 2009. Lizards of the American Southwest. A photographic field guide. Rio Nuevo Publishers, Tucson, AZ, 568 pp. [review in Reptilia 86: 84] - get paper here
  • Liner, Ernest A. 2007. A CHECKLIST OF THE AMPHIBIANS AND REPTILES OF MEXICO. Louisiana State University Occasional Papers of the Museum of Natural Science 80: 1-60 - get paper here
  • Parham, J.F. and T.J. Papenfuss 2009. High genetic diversity among fossorial lizard populations (Anniella pulchra) in a rapidly developing landscape (Central California). Conservation Genetics 10(1):169-176. - get paper here
  • Peralta-García A, Valdez-Villavicencio JH, Fucsko LA, Hollingsworth BD, Johnson JD, Mata-Silva V, Rocha A, DeSantis DL, Porras LW, and Wilson LD. 2023. The herpetofauna of the Baja California Peninsula and its adjacent islands, Mexico: composition, distribution, and conservation status. Amphibian & Reptile Conservation 17(1&2): 57–142
  • Sánchez-Pacheco, José Angel and Eric Mellink 2001. Geographic distribution. Anniella geronimensis. Herpetological Review 32 (3):192. - get paper here
  • Santos-Barrera, G., García, A., Calzada-Arciniega, R. A., Pérez-Cervantes, N. C., & Pacheco-Rodríguez, J. 2021. Herpetofauna in Risk of Extinction: Amphibians and Reptiles in Mexico, Critical Areas, and Conservation Strategies. Imperiled: The Encyclopedia of Conservation (via Researchgate) - get paper here
  • Shaw, C.E. 1949. Anniella geronimensis on the Baja California Peninsula Herpetologica 5 (2): 27-28. - get paper here
  • Shaw, C.E. 1953. Anniella pulchra and A. geronimensis, Sympatric Species. Herpetologica 8 (4): 167-170
  • Shaw, Charles E. 1940. A new species of legless lizard from San Geronimo Island, Lower California, Mexico. Transactions of the San Diego Society of Natural History 9 (24): 225-228 - get paper here
  • Smith, H.M. & Taylor,E.H. 1950. An annotated checklist and key to the reptiles of Mexico exclusive of the snakes. Bull. US Natl. Mus. 199: 1-253 - get paper here
  • Stebbins,R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston
  • Wermuth, H. 1969. Liste der rezenten Amphibien und Reptilien. Anguidae. Anniellidae, Xenosauridae. Das Tierreich 90: 1-42.
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