An ancient Keichousaurus frog fossil in a rock slab matrix.
This is a Keichousaurus fossil from Guizhou, China. It dates to the Middle Triassic period (approximately 240 million years ago) and is typically associated with the Guanling Formation, a well-known marine limestone deposit.
It weighs around 500g (including the rock limestone matrix) (1 lbs approximately).
It measures around 8cm long x 6cm wide (3 inches long x 2.25 inches wide).
