| Group or Formation |
Period |
Country |
Notes |
| Argana Group/Timezgadiouine Formation | Triassic |  Morocco | |
| Argilliti di Riva di Solto Formation | Triassic |  Italy | |
| Baldy Hill Formation | Triassic |  United States | |
| Cenger Formation | Triassic |  Turkey | |
| Chatham Group/Bull Run Formation | Triassic | United States | |
| Chatham Group/New Haven Formation | Triassic | United States | |
| Chinle Formation | Triassic | United States | |
| Chinle Group/Bluewater Creek Formation | Triassic | United States | |
| Chinle Group/Dockum Formation | Triassic | United States | |
| Chinle Group/Garita Creek Formation | Triassic | United States | |
| Chinle Group/Petrified Forest Formation | Triassic | United States | |
| Chinle Group/Redonda Formation | Triassic | United States | |
| Chinle Group/San Pedro Arroyo Formation | Triassic | United States | |
| Chinle Group/Santa Rosa Formation | Triassic | United States | |
| Chinle Group/Sloan Canyon Formation | Triassic | United States | |
| Chinle Group/Tecovas Formation | Triassic | United States | |
| Chinle Group/Trujillo Formation | Triassic | United States | |
| Chugwater Group/Popo Agie Formation | Triassic | United States | |
| Dachsteinkalk Formation | Triassic |  Austria | |
| Dockum Formation | Triassic | United States | |
| Dockum Formation | Triassic | United States | |
| Dockum Group/Bull Canyon Formation | Triassic | United States | |
| Dockum Group/Camp Springs Formation | Triassic | United States | |
| Dockum Group/Colorado City Formation | Triassic | United States | |
| Dockum Group/Cooper Canyon Formation | Triassic | United States | |
| Dockum Group/Santa Rosa Sandstone Formation | Triassic | United States | |
| Dockum Group/Tecovas Formation | Triassic | United States | |
| Dockum Group/Trujillo Formation | Triassic | United States | |
| Doswell Group/Falling Creek Formation | Triassic | United States | |
| Drawno Beds Formation | Triassic |  Poland | |
| Fleming Fjord Formation | Triassic |  Greenland | |
| Fundy Group/Blomidon Formation | Triassic |  Canada | |
| Garita Creek Formation | Triassic | United States | |
| Gartra Formation | Triassic | United States | |
| Gondwana Group/Lower Maleri Formation | Triassic |  India | |
| Gondwana Group/Tiki Formation | Triassic | India | |
| Gres à Avicula contorta Formation | Triassic |  France | |
| Huai Hin Lat Formation | Triassic |  Thailand | |
| Isalo Group/Isalo II or Makay Formation | Triassic |  Madagascar | |
| Isalo Group/upper Isalo II Formation | Triassic | Madagascar | |
| Keuper Group/Burgsandstein Formation | Triassic |  Germany | |
| Keuper Group/Feuerletten Formation | Triassic | Germany | |
| Kuchinari Group/Huai Hin Lat Formation | Triassic | Thailand | |
| Lias Group/Blue Lias Formation | Jurassic |  United Kingdom | |
| Löwenstein Formation | Triassic | Germany | |
| Magnesian Conglomerate Formation | Triassic | United Kingdom | |
| Middle Buntsandstein Formation | Triassic | Germany | |
| Middle Keuper Group/Arnstadt Formation | Triassic | Germany | |
| Middle Keuper Group/Hassberge Formation | Triassic | Germany | |
| Middle Keuper Group/Knollenmergel Formation | Triassic |  Switzerland | |
| Middle Keuper Group/Löwenstein Formation | Triassic | Germany | |
| Middle Keuper Group/Trossingen Formation | Triassic | Germany | |
| Middle Keuper Group/Weser Formation | Triassic | Germany | |
| Newark Group/Cumnock Formation | Triassic | United States | |
| Newark Group/Lithofacies Association II Formation | Triassic | United States | |
| Newark Group/Lockatong Formation | Triassic | United States | |
| Newark Group/New Oxford Formation | Triassic | United States | |
| Newark Group/Pekin Formation | Triassic | United States | |
| Newark Group/Vinita Formation | Triassic | United States | |
| Passaic Formation | Triassic | United States | |
| Pekin Formation | Triassic | United States | |
| Rosario do Sul Group/Caturrita Formation | Triassic |  Brazil | |
| Santa Rosa Formation | Triassic | United States | |
| Sloan Canyon Formation | Triassic | United States | |
| Steinmergel Formation | Triassic |  Luxembourg | |
| Stockton Formation | Triassic | United States | |
| Tecovas Formation | Triassic | United States | |
| Timezgadiouine Formation | Triassic | Morocco | |
| Travesser Formation | Triassic | United States | |
| Upper Keuper Group/Exter Formation | Triassic | Germany | |
| Zarzaïtine Group/Lower Zarzaïtine Formation | Triassic |  Algeria | |
| Zorzino Limestone Formation | Triassic | Italy | |
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