Pteraichnus
Encyclopedia
Pteraichnus is an ichnogenus that has been attributed to pterosaurs. It has been found in, among other units, the Lower Jurassic
Aztec Sandstone
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Jurassic
The Jurassic is a geologic period and system that extends from about Mya to Mya, that is, from the end of the Triassic to the beginning of the Cretaceous. The Jurassic constitutes the middle period of the Mesozoic era, also known as the age of reptiles. The start of the period is marked by...
Aztec Sandstone
Aztec Sandstone
The Aztec Sandstone is a Lower Jurassic geological formation of primarily eolian sand from which fossil pterosaur tracks have been recovered.-Vertebrate paleofauna:-References:...
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