1.8" Fossil Turtle Shell Judith River Formation Montana Dinosaur Cretaceous Age Brontothere rex had 11-12 tooth positions

rex had 11-12 tooth positions in the upper jaw and 11-14 in the lower

It lived exclusively in marine environments from approximately 228 million to 61

Turquoise was called “callais” by Pliny the Elder and “chalchihuitl” by the Aztecs

first detected by the Thermal Emission Spectrometer aboard the Mars Global Surveyor

1.8" Fossil Turtle Shell Judith River Formation Montana Dinosaur Cretaceous Age Brontothere rex had 11-12 tooth positionsLocation: Judith River Formation, Montana Weight: 0. 7 Ounces Dimensions: 1. 8 Inches Long, 1. 3 Inches Wide, 0. 5 Inches Thick The item pictured is the one you will receive. This is a genuine fossil. During the Cretaceous era, spanning roughly 145 to 66 million years ago, turtles represented a well established and morphologically diverse reptilian lineage. Their distinctive bony carapace provided essential protection while accommodating remarkable