ERTH 2401 Lecture 12: Sauropodomorpha

• School: Carleton University
• Department: Earth Sciences
• Course: ERTH 2401
• Professor: Claudia Schröder-Adams

Document Summary

Sauropodomorpha: sauropods eventually became the largest animals on earth, often compared to the blue whale, blue whale is still larger in terms of mass. Includes the smallest (some theropods were very tiny and some sauropods were smaller) and the largest dinosaurs: all of the carnivorous dinosaurs, plus more herbivores, derived features of saurischia, subnarial foramen opening beneath the nostril area. Lot of holes in sauropod skulls making them somewhat fragile: elongation of the rearward neck vertebrae (resulting in longer neck) Increased articulations between vertebrae (because this neck and tail have to move, when you have such long extremities have to be able to move them and not be stiff (cid:271)e(cid:272)ause the(cid:374) it"s i(cid:374) da(cid:374)ge(cid:396). Pa(cid:374)phagia, atur(cid:374)alia : the traditional (cid:862)prosauropods(cid:863): efraasia, jaklapallisaurus, plateosaurus, Riojasaurus, u(cid:374)aysaurus : early sauropods: a(cid:374)teto(cid:374)itrus, isa(cid:374)osaurus , sauropodomorphs present in the late triassic of south america, africa, europe,