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A combination of climate change and hunting by humans is probably the most likely explanation for their extinction
These regenerating incisors have allowed various types of rodents to consume nearly any edible substance
it did not survive past the Miocene Platybelodon was very similar to Amebelodon
5 metres (11
all theropods had three-toed feet
Rhamphorhynchus gemmingi, skeleton #1 Pteranodon A combination of climate changeRhamphorhynchus, meaning "beak snout", is a genus of long tailed pterosaurs from the Jurassic period. Less specialized than contemporary, short tailed pterodactyloid pterosaurs such as Pterodactylus, it had a long tail, stiffened with ligaments, which ended in a characteristic diamond shaped vane. The jaws of Rhamphorhynchus housed needle like teeth, which were angled forward, with a curved, sharp, beak like tip lacking teeth, indicating a diet mainly
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