The definition :


Definitions of Triassic period:

  • noun:   from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity



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:triassic period age of reptiles mesozoic era mesozoic geological period period bird footed dinosaur coelophysis conodont cynodontia division cynodontia genus coelophysis genus eoraptor genus herrerasaurus genus pisanosaurus genus protoavis ictodosauria labyrinthodonta labyrinthodontia order ictodosauria order rhynchocephalia order thecodontia order therapsida pangaea pangea :amount of time catamenia flow full point full stop geological period historical period historic period menses menstruation period of time point stop time period epoch era amount discharge emission end ending expelling geological time geologic time interval

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