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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Gerrhonotus Barisia imbricata ciliaris.

In the imbridata, the ovary contained oogonias and ovarian follicles, whereas the testicles showed testicular cords. Amphibians and reptiles of the state of Hidalgo, Mexico. Courier Forschungsinstitut Senckenberg Web pages and scripting Jiri Hosek.

American Museum Novitates All neonates had hemipenes and sex could only be established through direct observation of the reproductive ducts and gonadal histology. The generic name was derived from the Greek word barys, meaning “heavy,” apparently in reference to the robust body of B. Notes on the Herpetofauna of Western Mexico Notes on amphibians and reptiles of Michoacan, Mexico. ZMB imbricata Holotype: Variation in the rare lizard Barisia rudicollis Wiegmann Anguidae with description of a new species from Central Mexico.

Mocquard,Etudes sur les reptiles, p.

Mesoamerican Herpetology 2 1: Scientific Baisia, 8 1- get paper here Wiegmann,A. An annotated checklist and key to the reptiles of Mexico exclusive of the snakes.

Barisia imbricata

Phylogeny and evolution of dorsal pattern in the Mexican endemic lizard genus Barisia Anguidae: Several neonates were sacrificed and processed to establish gonadal histology garisia the young of the remaining litters were maintained in captivity to observe the fate of the hemipenes in both sexes. Gerrhonotine lizards recently added to the American Museum collection, with further revisions of the genus Abronia.


Evolutionary speciation in the alligator lizards of the genus Barisia. A conservation reassessment of the reptiles of Mexico based on the EVS measure.

Barisia imbricata | The Reptile Database

Mesoamerican Herpetology 4 4: On a collection of batrachians and reptiles from Mount Orizaba, Mexico, with descriptions of two new species. List of reptiles of Morelos, Mexico, and their distribution in relation to vegetation types.

Burg and David Chiszar All neonates were sexed by eversion of hemipenes and some of their body characteristics were recorded.

Reptarium The Reptile Database. 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 Anfibios y Reptiles; pp.

Amphibians and reptiles of the state of Queretaro, Mexico. Journal of Zoological Systematics and Evolutionary Research 43 3: A review of the lizard genus Barisia. Tweet Please submit feedback about this entry to the curator. Amphibians and reptiles of the Seese and Mocino expedition: An updated checklist of the herpetofauna from Guerrero, Mexico.


Description of new genera and species of North American lizards in the museum of the Smithsonian Institution.

Barisia – Wikipedia

Annals of the Carnegie Museum 54 5: Lmbricata herpetofauna of the Mexican State of Aguascalientes. Catalogue of the slender-tongued saurians, with descriptions of many new genera imbricaya species.

Catalogue of the specimens of lizards in the collection of the British Museum. Etymology The generic name was derived from the Greek word barys, meaning “heavy,” apparently in reference to the robust body of B.

Southwestern Naturalist 39 2: Find more photos by Google images search: Changes in the timing or sequence of development events are known as heterochrony. Amphibia-Reptilia – get paper here Tihen, J. We collected gestating females; some lizards were subjected to partial hysterectomy and the embryos were processed using routine histological technique to assess gonadal development; the remaining embryos were used to assess the development of hemipenes.

The sexual development of saurians imrbicata a similar pattern to that described for other amniotes. Rediscovery of a Mexican lizard, Barisia imbricata planifrons Bocourt. Other pregnant females were kept in captivity in individual terraria until the time of delivery. Bulletin du Museum national d’Histoire naturelle, Paris, 4e ser. The herpetofauna of Oaxaca, Mexico: Check List 11 3: Potential distribution of the endemic ombricata alligator lizard Barisia imbricata imbricata in highlands of central Mexico.

Acta Zoologica Mexicana n.

Catalogue of the lizards in the British Museum Natural History.