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Sauropodomorpha (/ ˌ s ɔːr ə ˌ p ɒ d ə ˈ m ɔːr f ə / [3] SOR-ə-POD-ə-MOR-fə; from Greek, meaning "lizard-footed forms") is an extinct clade of long-necked, herbivorous, saurischian dinosaurs that includes the sauropods and their ancestral relatives.
[10] [11] Earlier in 2011, Pradhania, a sauropodomorph from India, was tested for the first time in a large cladistic analysis and was found to be a relatively basal massospondylid. [12] Mussaurus and Xixiposaurus may also be included within Massospondylidae. [13]
Leonerasaurus is a basal genus of sauropodomorph dinosaur. Currently, there is only one species known, named L. taquetrensis by Diego Pol, Alberto Garrido and Ignacio A. Cerda in 2011. The fossil, an incomplete subadult individual, was found in the Las Leoneras Formation in Argentina. This formation is probably Early Jurassic in age.
"Big Momma" includes a nearly complete skull and large parts of an articulated skeleton. As of 2019, it is the largest and most complete Massospondylus specimen and probably the most complete basal sauropodomorph specimen discovered in Africa. Since 1990, it is on public exhibit in the Evolutionary Studies Institute in Johannesburg.
Temporal range: Late Triassic, 233.23–230 ... Saturnaliidae is a family of basal sauropodomorph dinosaurs found in Brazil, Argentina and possibly Zimbabwe. [1]
Size compared to a human. Ahvaytum is a small sauropodomorph, estimated to be 3 feet (0.91 m) long and 1 foot (0.30 m) tall. [1] Eoraptor, a close relative from Argentina, is known from a larger and more complete skeleton with a total body length of around 1.3 metres (4.3 ft). [5]
Unusually for a dinosaur, Plateosaurus showed strong developmental plasticity: instead of having a fairly uniform adult size, fully grown individuals were between 4.8 and 10 metres (16 and 33 ft) long and weighed between 600 and 4,000 kilograms (1,300 and 8,800 lb). Commonly, the animals lived for at least 12 to 20 years, but the maximum life ...
[7] [1] Sarahsaurus was mid-sized for a basal sauropodomorph, with its vertebral column measuring more than 3.1 metres (10 ft) in length. [1] Paleontologist Gregory Paul , in a 2016 popular book, estimated its length at 4 metres (13 ft) and its body weight at 200 kilograms (440 lb).