Apatosaurus considered a junior synonym of "Apatosaurus"; its only species was reclassified as "A.excelsus" in 1903. A 2015 study concluded that "Brontosaurus" is a valid genus of sauropod distinct from "Apatosaurus", but not all paleontologists agree with this division. As it existed in North America during the late Jurassic, "Apatosaurus" would have lived alongside dinosaurs such as "Allosaurus", "Camarasaurus", "Diplodocus", and "Stegosaurus". "Apatosaurus" was a large, long-necked, quadrupedal animal with a long, whip-like tail. Its forelimbs were slightly shorter than its hindlimbs. Most size estimates are based on specimen CM3018, the type specimen of "A.louisae". In 1936 this was measured to
Portrait of a Lady Known as Smeralda Brandini "* The same Lady, here surrounded by the masque of Spring, is evidently the subject of a portrait by Botticelli formerly in the Pourtales collection in Paris. This portrait is inscribed "Smeralda Bandinelli"". Rossetti's suggestion that the portrait depicted the model Botticelli used for his "Spring" now seems unlikely. Portrait of a Lady Known as Smeralda Brandini The Portrait of Smeralda Brandini is a tempera on panel painting by the Italian Renaissance artist Sandro Botticelli of about 1475, in the Victoria and Albert Museum, London (museum no. CAI.100). The identification of the sitter is based on the old, but probably