ERTH 2401 Lecture : Lecture12-chapter8Sauropodomorpha F7ab.doc

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

Document Summary

Saurishchian dinosaurs had a : lizard hip pelvis saurischia. Large thumb supported by a broad metacarpal bone: wedge shaped splint of bone on the astragalus. Weight support: they got really big and had to support their weight neural circuitry respiration::oxygen needed to be a lot. Digestion: they did not have dental batteries, they eat a lot, Occurrence : global distribution: since late triassic, north america, asia, europe, africa, south america: patagonia, desert like conditions, mountains shane biggest dinosaurs found. Phylogeny: basal group of saurapods are the prosauropods, their relationship to sauropods is debated, presaupoda late triassic to early jurassic, relative short limbs. Plateosaurus: well developed thumb claw, herbivore and possible carnivore, bonebeds suggest herd living. Middle and early jurassic: reefting tesyan sea, no interchange dinosaurs. Over 100 spcies of sauropods: thecodontosaurus, plateosaurus ( germany , marsh and cope discovered, camarasaurus, apatosaurus, diplodocus long tail.