Sitios

espacio.ya.com - Bienvenido a la página de aligatorjazz - Spanish
URL: http://www.garaje.ya.com/aligatorjazz/sphenodon.htm

Las tuataras tienen un extraordinario interés zoológico y a menudo se denominan fósiles vivientes. Sin embargo, las investigaciones recientes sugieren que las tuataras muestran muchas características avanzadas si se las compara con sus parientes más próximos ya extinguidos.

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Sphenodontidae - English
URL: http://www.embl-heidelberg.de/~uetz/families/Sphenodontidae.html

The Tuataras are the only surviving members of the order Rhyncohocephalia. All other members of the order (and family) are known only from the Mesozoic.

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Sphenodontidae - English
URL: http://expeditionquest.tripod.com/sphenodontidae.html

Photo.

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Family: Sphenodontidae - English
URL: http://animaldiversity.ummz.umich.edu/chordata/reptilia/rhynchocephalia/sphenodo

Species included in the Animal Diversity Web.

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Introduction to the Sphenodontidae - English
URL: http://www.ucmp.berkeley.edu/diapsids/lepidos/sphenodontidae.html

Though the tuatara is the only species of sphenodontid alive today, the group was rather diverse in the Mesozoic Era. All sphenodontids belong to the Lepidosauria, a group of diapsids that includes snakes, lizards, and mososaurs.

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