100-million-year-old elasmosaur fossil uncovered in Australia

A rare fossil of a 100-million-year-old long-necked marine reptile (爬行動物)was discovered in Queensland, Australia, in December last year. The specimen was an elasmosaur(薄片龍屬;薄板龍), which is a plesiosaur(蛇頸龍) that co-existed with dinosaurs during the Late Cretaceous Period (白堊紀晚期).  About 145 million to 65 million years ago, much of Queensland was covered in a vast, shallow sea, known as the Eromanga Sea. Fossil remains (殘骸) of ancient …Read More