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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American Museum Novitates On a collection of batrachians and reptiles from Mount Orizaba, Mexico, with descriptions of two new species. The generic name was derived from the Greek word barys, meaning “heavy,” apparently in reference to the robust body of B. Reptarium The Reptile Database.
Barisia – Wikipedia
Notes on the Herpetofauna of Western Mexico Tlalnepantla UNAM, pp. The herpetofauna of Puebla, Mexico: ZMB imbricata Holotype: Several neonates were sacrificed and processed to establish gonadal histology and the young of the remaining litters were maintained in captivity to observe the fate of the hemipenes in both sexes.
Tenth contribution to the herpetology of Tropical America. Amphibians and reptiles of the Seese and Mocino expedition: Changes in the timing or sequence of development events are known as heterochrony.
In the neonates, the ovary contained oogonias and ovarian follicles, whereas the testicles showed testicular cords. We collected gestating females; some lizards imbricatw 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 herpetofauna of the Mexican State of Aguascalientes. Bulletin du Museum national d’Histoire naturelle, Paris, 4e ser.
Check List 9 4: An updated checklist of the herpetofauna from Guerrero, Mexico. Courier Forschungsinstitut Senckenberg Etymology The generic name was derived from bariska Greek word barys, meaning “heavy,” apparently in reference to the robust body of B.
The sexual development of saurians follows a similar pattern to that described for other amniotes. Tweet Please submit feedback about this entry to the curator.
Potential distribution of the endemic imbricate alligator lizard Barisia imbricata imbricata in highlands of central Mexico.
Mesoamerican Herpetology 4 4: Can you confirm these amateur observations of Barisia imbricata? Isis von Oken 21 4: Variation in the bariska lizard Barisia rudicollis Wiegmann Anguidae with description of a new species from Central Mexico. Acta Zoologica Mexicana n. Amphibians and reptiles of the state of Queretaro, Mexico. All neonates had hemipenes and sex could only be established through direct imbriacta of the reproductive ducts and gonadal histology. Check List 11 3: Annals of the Carnegie Museum 54 5: The herpetofauna of Oaxaca, Mexico: Anfibios y Reptiles; pp.
Other pregnant females were kept in captivity in individual terraria until the time barisiaa delivery. A review of the lizard genus Barisia. Find more photos by Google images search: All neonates were sexed by eversion of hemipenes and some of their body characteristics were recorded.
Barisia imbricata | The Reptile Database
Developmental asynchrony and antagonism imbricqta sex determination pathways in a lizard with temperature-induced sex reversal. A conservation reassessment of the reptiles of Mexico based on the EVS measure. 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.