Hemipenes in females of the Mexican viviparous lizard Barisia imbricata ( Squamata: Anguidae): an example of heterochrony in sexual development. External character data from members of the Barisia imbricata complex support the validity of Tihen’s (b) arrangement, with two species (B. levicollis. PDF | Barisia imbricata imbricata is an endemic anguid lizard living in the highlands of central Mexico, mainly in the Trans-Mexican Volcanic.

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Scientific Reports, 8 1- get paper here Wiegmann,A. Cotttae, Stuttgartiae, Monachii et Tubingiae, xxv-xxxvi pp. Notes on the Herpetofauna of Western Mexico Amphibians and reptiles of the state of Queretaro, Mexico.

ZMB imbricata Holotype: Anfibios y Reptiles; pp. Catalogue of the specimens of lizards in the collection of the British Museum.

We describe the pattern of sexual development in the viviparous Mexican lizard Barisia imbricata and report heterochrony in the regression of hemipenes in this lizard. Reptarium The Reptile Database. Check List 11 3: Gerrhonotus Barisia imbricata ciliaris. Changes in the timing or sequence of development events are known as heterochrony. On a collection of batrachians and reptiles from Mount Orizaba, Mexico, with descriptions of two new species.

Barisia imbricata

Potential distribution of the endemic imbricate alligator lizard Barisia imbricata imbricata in highlands of central Mexico. Web pages and scripting Jiri Hosek. Notes on amphibians and reptiles of Michoacan, Mexico.


Acta Zoologica Mexicana n. Bulletin du Museum national d’Histoire naturelle, Paris, 4e ser. Descriptiones et icones amphibiorum. Courier Forschungsinstitut Senckenberg Journal of Zoological Systematics and Evolutionary Research 43 3: Description of new genera and species of North American lizards in the museum of the Smithsonian Institution. Other pregnant females were kept in captivity in individual terraria until the time of delivery.

Check List 9 4: Variation in the rare lizard Barisia rudicollis Wiegmann Anguidae with description of a new species from Central Mexico. Amphibia-Reptilia – get paper here Tihen, J. Gonadal development imbrciata at embryonic stage 33 and the hemipenes were visible at the same stage.

Evolutionary speciation in the alligator lizards of the genus Barisia. Tenth contribution to the herpetology of Tropical America.

A conservation reassessment of the reptiles of Mexico based on the EVS measure.

Mocquard,Etudes sur les reptiles, p. All neonates were sexed by eversion of hemipenes and some of their body characteristics were recorded. Catalogue of the lizards in garisia British Museum Natural History. Rediscovery of a Mexican lizard, Barisia imbricata planifrons Bocourt.

Mesoamerican Herpetology 2 1: The herpetofauna of Oaxaca, Mexico: Mesoamerican Herpetology 4 4: Burg and David Batisia Isis von Oken 21 4: Find more photos by Google images search: Can you confirm these amateur observations of Barisia imbricata? Amphibians and reptiles of the Seese and Mocino expedition: Gerrhonotine lizards recently added to the American Museum collection, with further revisions of the genus Abronia.

Imbricate Alligator Lizard (Barisia imbricata) ยท

Gerrhonotine lizards with the skull not widened or depressed ; frontal bone not in contact with the maxillae ; pterygoid teeth absent or vestigial; dorsal osteoderms with a well-defined, strongly thickened basal area; lateral fold moderately to well developed, with a moderate or large granular area ; sides of the neck finely granular; postero-ventral surfaces of the forearms and shanks granular; minimum number of scales in a single row across the nape six to ten; anterior internasals present; postrostral present or absent; subocular and postocular series well differentiated from each other; the suboculars extend to the lowest primary temporal; twelve to fourteen ventral scale rows fide TIHEN An annotated checklist and key to the reptiles of Mexico exclusive of the snakes.


The herpetofauna of the Mexican State of Aguascalientes. Tweet Please submit feedback about this entry to the curator. An updated checklist of the herpetofauna from Guerrero, Mexico.

Barisia – Wikipedia

All neonates had hemipenes and sex could only be established through direct observation of the reproductive ducts and gonadal histology. Tlalnepantla UNAM, pp. The generic name was derived from the Greek word barys, meaning “heavy,” apparently in reference to the robust body of B.

Developmental asynchrony and antagonism of sex determination pathways in a lizard with temperature-induced sex reversal.