Plesiosauria Plesiosauria The Plesiosauria (; Greek: πλησίος, "plesios", meaning "near to" and "sauros", meaning "lizard") or plesiosaurs are an order or clade of Mesozoic marine reptiles (marine Sauropsida), belonging to the Sauropterygia. Plesiosaurs first appeared in the latest Triassic Period, possibly in the Rhaetian stage, about 203 million years ago. They became especially common during the Jurassic Period, thriving until their disappearance due to the Cretaceous–Paleogene extinction event at the end of the Cretaceous Period, about 66 million years ago. They had a worldwide oceanic distribution. Plesiosaurs were among the first fossil reptiles discovered. In the beginning of the nineteenth century,
Million Years Ago (song) of my youth"". Musically, the song is an acoustic tune accompanied only by guitar. "Million Years Ago" received positive reviews from critics, with many comparing it to the music of Madonna. The song charted in Australia, Belgium, Canada, France, Finland, Germany, Hungary, Ireland, Spain, the United Kingdom and the United States. Adele performed the song during "Adele at the BBC" and on "Today". "Million Years Ago" is an acoustic tune accompanied only by guitar, finds Adele pining "for the normality of her not-so-distant childhood. Entwined with Middle Eastern twists of background hums that suggest Madonna's 'Frozen'". The song's lyrics touch