Long before the age of dinosaurs, the Earth was home to formidable predators that ruled the ancient ecosystems. These creatures dominated their environments, thriving in a world vastly different from ...
24 Nov 2014 USNM Number PAL23694 Published Name Pterygotus (Acutiramus) macrophthalmus var. macrophthalmus Hall See more items in Paleogeneral Arthropoda Arthropoda Eurypterida Biologic Paleobiology ...
Roughly 400 million years ago, scorpions the size of small alligators roamed our oceans. With their powerful claws and thick exoskeletons, these 2.5m-long predators dominated their world. Until ...
Who doesn’t enjoy a platter of jumbo shrimp at the local seafood restaurant? But more than 400 million years ago, jumbo shrimp might have enjoyed you. Meet pterygotus (tair-ee-GOAT-us), an ...