Triassic Late
Mesozoic
237.0–201.4 Mya
148 恐龙
第一批真正的恐龙在三叠纪晚期出现，包括始盗龙和赫雷拉龙等早期兽脚类。恐龙体型仍小且尚未占据主导地位。这一时期以三叠纪-侏罗纪大灭绝事件告终。
Plateosaurus engelhardti
None
HerbivorePlateosaurus trossingensis
None
HerbivorePlatypterna lockatong
None
Parachirotherium
None
Tridactylus machouensis
None
CarnivoreSenqutrisauropus priscus
None
HerbivorePendraig milnerae
None
CarnivorePengxianpus
None
CarnivorePengxianpus cifengensis
None
CarnivorePseudotetrasauropus
None
HerbivoreTrisauropodiscus superaviforma
None
CarnivoreSilesaurus opolensis
None
HerbivoreSaturnalia
None
Tawa hallae
None
Velocipes guerichi
None
CarnivoreNotatesseraeraptor frickensis
None
CarnivoreAgnosphitys cromhallensis
None
Macrocollum itaquii
None
Ingentia prima
None
HerbivoreActiosaurus gaudryi
None
HerbivoreHeterodontosaurinae
None
HerbivoreKrzyzanowskisaurus hunti
None
HerbivoreMelanorosaurus
None
Meroktenos thabanensis
None
Protoavis texensis
None
CarnivorePseudotrisauropus humilis
None
Pseudotrisauropus minusculus
None
Mafatrisauropus errans
None
CarnivoreLepidus praecisio
None
CarnivoreLessemsaurus sauropoides
None
HerbivoreLophostropheus airelensis
None
CarnivoreLucianovenator bonoi
None
CarnivoreOtozoum grandcombensis
None
HerbivoreTetrasauropus unguiferus
None
HerbivorePowellvenator podocitus
None
CarnivorePseudotetrasauropus bipedoida
None
HerbivorePseudotetrasauropus jaquesi
None
HerbivorePseudotrisauropus maserui
None
Pseudotrisauropus molekoi
None
Thecodontosaurus antiquus
None
Riojasaurus incertus
None
Ruehleia bedheimensis
None
Sacisaurus agudoensis
None
HerbivoreSaltopus elginensis
None
CarnivoreSanjuansaurus gordilloi
None
Saurischichnus primitivus
None
Sauropodomorpha
None
Scelidosaurus
None
Herbivore