Lethiscus
Aistopoda, Amphibian, Carboniferous, Permian, Viséan, Ophiderpeton
978-613-9-75432-8
6139754321
64
2013-01-10
29.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lethiscus is the earliest known representative of the Aïstopoda, a group of very specialised snake-like amphibians known from the Carboniferous and Permian. Lethiscus is known from only a single specimen from the Holkerian Stage (Middle Viséan) of the Early Carboniferous of Scotland, and is one of the oldest known post Devonian tetrapods. Despite its very early date, it was already a highly advanced animal. The skull is specialised and light, very like that of Ophiderpeton, with the orbits, far forward, and the cheek region unossified.
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Zoology
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