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5 inches wide and 40 inches long
A combination of climate change and hunting by humans is probably the most likely explanation for their extinction
This lack of scavengers on the bottom of the sea led to amazing preservation of the fauna found there
all theropods had three-toed feet
Once Adena mounds numbered in the hundreds
Rhamphorhynchus gemmingi, skeleton #1 Pteranodon 5 inches wide and 40Rhamphorhynchus, 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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