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Ambystomatidae

Ambystomatidae. Range. Widely distributed from southern Canada down to southern Mexico. Taxonomy. 2 genera, 32 – 37 species (depends on reference) Ambystoma Rhyacosiredon (four species) Dicamtodontidae ( four species, sometimes considered separate family)

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Ambystomatidae

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  1. Ambystomatidae

  2. Range • Widely distributed from southern Canada down to southern Mexico.

  3. Taxonomy • 2 genera, 32 – 37 species (depends on reference) • Ambystoma • Rhyacosiredon (four species) • Dicamtodontidae ( four species, sometimes considered separate family) • Common family name: Mole Salamanders

  4. Paedomorphic • Some species are paedomorphic, some are terrestrial and some species will have populations exhibiting both characteristics. AxolotlAmbystoma mexicanum

  5. Dicamtodontidae • Considered by some to be its own family • Four species • Commonly know as Pacific giant Salamanders D. tenebrosus, pacific giant salamander

  6. Morphology • Adults • Robust bodies and limbs • Short, blunt heads • Small eyes • Prominent costal grooves • Laterally flattened tail

  7. Habitat • Terrestrial adults live under cover objects and in animal burrows in the forest • Paedomorphs and larvae stage salamanders live in ponds and slow streams Ambystoma opacum , marbled salamander Ambystoma tigrinum, tiger salamander

  8. Reproduction • fertilization is internal • Most species breed in the spring • Tiger And Marbled salamanders breed in the fall. Ambystoma jeffersonianum, Jefferson salamander Ambystoma opacum , marbled salamander

  9. Long-toed Salamander (Ambystoma macrodactylum)

  10. Ambystoma tigrinum, Tiger salamander

  11. sources http://scienceblogs.com/tetrapodzoology/2008/01/ifs_clade.php http://www.tolweb.org/Ambystomatidae http://imnh.isu.edu/digitalatlas/bio/amph/main/ambyfam.htm

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