出典
How intriguing... These mischievous aquatic creatures bear mixed mammalian and reptilian characteristics, moving equally quickly on land or through water. The body is encased in a bony shell, the thickness of which seems to correspond with age.
出典
How intriguing... These mischievous aquatic creatures bear mixed mammalian and reptilian characteristics, moving equally quickly on land or through water. The body is encased in a bony shell, the thickness of which seems to correspond with age.
