ページの作成:「<br> The fossilised Steropodon was uncovered in New South Wales and is composed of an opalised reduced jawbone with 3 molar teeth (while the adult present-day platypus is…」
(ページの作成:「<br> The fossilised Steropodon was uncovered in New South Wales and is composed of an opalised reduced jawbone with 3 molar teeth (while the adult present-day platypus is…」)