Land bridges temporarily formed between the continents and like a Midwestern retiree, species migrated in the hopes of finding warmer climes.
Xiphactinus cruised the Western Interior Seaway at speeds of up to 37 mph. He gobbled down whole unsuspecting fish, seabirds and other marine life, sometimes with fatal results.
The Paleozoic Era took place long before the great dinosaurs. Animal and plant life flourished and the mighty trilobite ruled the sea.
In honor of Leap Day, I give you the leaping, gliding, amazing planetetherium. No, this is not some alien virus, but a prehistoric mammal of the Paleocene epoch (50+ million years ago). The planetetherium was approximately 10 to 12 inches in length, and an herbivore. Its unique, bat-like membrane of skin, stretched between front and... Continue Reading →