Mesosaurus
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Mesosaurus is an extinct genus of aquatic reptile from the late Early Permian of southern Africa and South America. It is the only member of the family Mesosauridae and order Mesosauria. Two other gen
Mesosaurus tenuidens 1
Dual fossil in Louisiana
From Brazil, at the Natural History Museum, Vienna
Life restoration of Mesosaurus
Marine reptile
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Marine reptiles are reptiles which have become secondarily adapted for an aquatic or semiaquatic life in a marine environment. Only about 100 of the 12,000 extant reptile species and subspecies are cl
Mesosaurus
…medium-size adult with a small individual in its rib cage which is interpreted as a fetus 'in utero', even suggesting that Mesosaurus like many other marine reptiles, gave live birth. If this interpretation is correct, this specimen would represent the earliest known example of viviparity in the fossil record. The…
Extant Cenozoic marine reptiles: • Saltwater crocodile (top left) • Sea turtle (top right) • Marine iguana (bottom left) • Sea snake (bottom right)
Hawksbill sea turtle (Eretmochelys imbricata)
Fossil of Ophthalmosaurus icenius, a species of ichthyosaur
Aerial view of Slapton Sands and northern part of Ley geograph.org.uk 1434412