1st fossil dinosaur heart found in US
Palaeontologists have unearthed a 66-million-year old heart that once beat within the breast of the thescelosaurus, a small herbivorous dinosaur - the first dinosaur heart to be
Palaeontologists have unearthed a 66-million-year old heart that once beat within the breast of the thescelosaurus, a small herbivorous dinosaur - the first dinosaur heart to be