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THE AGE or REPTILES 



(M E S O Z.O I C I 



GEOLCGICAL FORMATIONS and CHARACTERISTIC ANIMALS. 



THE AOE OF REPTILES PRECEDED THE AGE 

 OF MAMMALS. AND IS REPRESENTED IN 

 VARIOUS PARTS OF THE WORLD BY MARINE. 

 EBTUARV AND FRESHWATER DEPOSITS 

 DIVIDED INTO THREE GREAT PERIODS. 

 TRIASSIC, JURASSIC AND CHETACEOUS- 



I IIMIM li;i(lslll \MMA1.' 



MAMMALS IN LARGE N UM BEi!S 



TRUE LIZARDS ana SPMENQDONS 

 CATORS J»a CROCOOILtS 

 TLES 



CARNIVOROUS DINOSAURS 

 HERBIVOROUS DINOSAURS 

 HORNEO HERBIVOROUS DINOSAURS 



MOSASAURS -Mi PIESIOSAURS 

 GIGANTIC MARINE TURTLES 



DOLICHOSAURIAH LI2ARDS 



DINOSAURS 



1000 MOSASAURSj.-dPLESIOSAURS 



AHGE MARINE TURTLES 

 ONV FISHES lELiosrs SHARKS 

 OANOIO FISHES 



TURTLES 

 RUE LIZARDS.!...! OOUCHOSAUR 



HERBIVOROUS DIN0SAUR5f(i,...«ooi). 

 CARNIVOROUS OINOSAURSiMtMiosw 

 PTtROO«CTVIS TOOTHtCljXTOOIHtESS 



MOSASAURS 



ICHTHVDSAURS,m* PUSI05AURS 

 CROCODILES TURTLES. 



SHARKS sr,u GANOID FISHES 



CARNIVOROUS DINOSAURS KRATOSAURUS) 

 HERBIVDROUS DINOSAURS iATUNTOSAURUSI 

 TURTLES PTERODACTYLS 



ICHTHYOSAURS lOOIHfOdndlDOIHltSS 



PLESIOSALISS PTEROOACTYtS TODTHtO^ 



lONt NOSED CROCODIltS TUfOSAURSl 



ICHTHYOSAURS and PIESI0SAUR9 



FIRST HLRBIVOROUS OINOSAURS 



"CES PTERUDACTVLS 



fIRST CARNIVOROUS OINOSAURS 

 LAST LABYRINTHODONTS 

 PRIMITIVE CROCODILESiBUODOH 



FIRST TURTLES 



PLESIOSAUHS !NOTHOSAURS 

 FIRST ICHTH¥05AURS(MIX0S»0RUS 



LARGE AMPHIBIANS ILABY 

 RINTHODONTS: 



HST PLESIOSAURSNOIROSAUHS, 



FIRST REPTILES COTYIOSAURS. 

 PROGAMOSAURS m PELVCOSAURS 

 PRIMITIVE AMPHIBIANS SltCBCEPHAllA 



DIVISIONS OF THE AGE OF REPTILES 

 Characteristic fossil reptiles, amphibians and fishes, and the formations in which they are found 



30 



