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This list of reptiles of California includes the snakes, turtles and lizards found in the US state of California. [e] Endemic species . [i] Introduced species .
Modern turtles have a horny beak without teeth in their mouth. In contrast, Odontochelys fossils were found to have had teeth embedded in their upper and lower jaws. [4] One of the most striking features of turtles, both modern and prehistoric alike, are their dorsal shells, forming an armored carapace over the body of the animal.
The fossils were found in an elaborate formation of shales, sandstones, and some limestone piles, with the formation believed to be between 220 and 205 million years old. [11] Consensus among Geologists placed the fossils in the middle of the Norian, around 210 million years ago, although this is largely an estimate. [ 11 ]
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A female loggerhead sea turtle follows the path of her ancestors on one of the most extraordinary journeys in the natural world. From a beach in Florida, she rides the Gulf Stream to the frozen north, swimming around the entire North Atlantic to Africa [2] and then back to the beach where she was born.
The blocks contain everything from extinct dolphins to sea turtles to sharks to impressions left behind by seaweed. That's because roughly 9 million years ago, Southern California was underwater .
The semi-aquatic turtles that spend some time in the water, some on land, tend to have webbed feet with claws, while the fully aquatic marine turtles have flippers – and they can swim fast.
Psephophorus polygonus is the type species, and was discovered by von Meyer in 1846. [8] Fossils of the species have shown bony, carapacial ridges, adjacent, small and polygonal bony ossicles which measure about 22 × 25 mm. [ 10 ] When the ossicles extend further along the longitudinal axis, their size increases up to an average of 33 × 41 mm ...