Genera Alamosaurus 7월 10, 2025 - By user Alamosaurus “Ojo Alamo Mountains lizard” [ Measurements | Time | Place | Remains | Essay ] CLASSIFICATION Alamosaurus Gilmore, 1922 [nomen dubium?]TYPE SPECIES:A. sanjuanensis Gilmore, 1922 [nomen dubium?] Animalia Vertebrata Tetrapoda Sauropsida Archosauromorpha Ornithodira Dinosauria Sauropodomorpha Sauropoda Macronaria Titanosauria MEASUREMENTS LENGTH: 21 m MASS: 30 tonnes see also: World Records TIME Maastrichtian see also: Ages of the Mesozoic PLACE New Mexico, Texas, Utah see also: Paleo-Maps REMAINS partial postcraniumUSNM 10,486 [holotype]: left scapulaUSNM collection [paratype]: right ischiumUSNM 15658: caudal centrumUSNM 15560: 30 most anterior caudal vertebrae (articulated); 25 chevrons; ischia; left scapulocoracoid; right forelimb lacking phalanges, 2 sternal plates, 3 fragmentary ribs see also: Anatomy ESSAY The only North American sauropod from the Late Cretaceous.