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9 Cards in this Set
- Front
- Back
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Hynobiidae
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9 genera, 50 species
external fertilization primitive life cycle small terrestrial all temperate |
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cryptobranchidae
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2 genera, 3 species
largest in world live in mountain streams external fert respiration through skin partially paedomorphic |
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Sirenidae
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2 genera, 4 species
paedomorphic, eel like body, no hind limbs external fert may estivate to form cocoon |
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Proteidae
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2 genera, 6 species
paedomorphic north america and europe |
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Salamandridae
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20 genera, 73 species
north america, Europe, Asia small generally transforming not paedomorphs |
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dicamptodontidae
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1 genus, 4 species pacific northwest
3 transforming, 1 paedomorphic largest terrestrial salamander |
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Ambystomatidae
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1 genus, 31 species
15 in US, 17 in Mexico primitive life cycle in USA paedomorphic in many Mexican and some us populations spend most of life underground |
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Rhyacotritonidae
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1 genus, 4 species all pacific northwest
all transforming live in mountain streams |
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Amphiumidae
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1 genus, 3 species all in southeast
paedomorphic eel like with all 4 limbs females guard eggs on land |
