Mesozoic Invertebrates Extinct Due to Mass Extinction Events
Mesozoic Invertebrates Extinct Due to Mass Extinction Events The Mesozoic Era, spanning from approximately 252 to 66 million…
Extinct Mesozoic Marine Reptiles: Plesiosaurs and Their Demise
Extinct Mesozoic Marine Reptiles: Plesiosaurs and Their Demise The Mesozoic Era, spanning approximately 180 million years, was a…