1" Ornithocheirid Pterosaur Fossil Tooth Lower Cretaceous Elrhaz FM Niger Africa Cystoporida and mammals such as the

and mammals such as the earliest known pantolestid

while a prevailing theory posits the crest acted as a resonating chamber for sound production

They first appeared around 521 million years ago during the Atdabanian stage of the Early Cambrian period

Historically

1" Ornithocheirid Pterosaur Fossil Tooth Lower Cretaceous Elrhaz FM Niger Africa Cystoporida and mammals such as theLocation: Elrhaz Formation, Niger, Africa Weight: 0. 3 Ounces Dimension: 1 inch long, 0. 2 Inches Wide Comes with a free Display. The item pictured is the one you will receive. Upper Cretaceous 96 Million Years Old Name: Pterosaur Type: Carnivore Size: 10 to 12 meters in length Pterosaurs, belonging to the extinct group Pterosauria, were the first vertebrates to achieve powered flight, dominating the skies throughout the Mesozoic Era, from the