Abstracts of the Papers Printed in the P... Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London Vol. 2, 1815 - 1830 An Account of the Fossil Skeleton of ...

Caption Fossil skeleton of the new lizard-like reptile Opisthiamimus gregori. The fossil was discovered in the Morrison Formation of the Bighorn Basin, north-central Wyoming, and dates to the Late ...