Prida Formation

Geology

Group: Star Peak

Members: unnamed (16), Fossil Hill (137), lower (unnamed) (1), upper (1)

Lithologies: not reported (12), "siliciclastic" (43), siltstone (77), "limestone" (140), "carbonate" (1)

Paleoenvironments: marine indet. (40), carbonate indet. (9), offshore indet. (39), basinal (carbonate) (67)

Age range: base of the Spathian to the top of the Middle Triassic or 251.30000 to 237.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Spathian251.3 - 247.2USA (Nevada) (107731 150311 195195 196634)
Aegean247.2 - 242.0USA (Nevada) (106200 106204 107490 112707 112777 112778 112784 112791 112793 113688 113702 114114 114582 114587 138815 138816 138817 138818 138819 143265 143267 143268 143273 211271)
Anisian247.2 - 242.0USA (Nevada) (44742)
Bithynian247.2 - 242.0USA (Nevada) (40754 109762 109763 109764 109765 109767 111227 112714 112716 112717 112744 112762 112765 112766 112767 112780 112782 112783 112787 112788 112789 112792 112794 112798 112799 112801 113173 113174 132700 143220 143221 143259 143260 143261 143262 143263 143264 143266 143269 143270 143271 143272 143274 143275 143975 143977 143978 143979)
Illyrian247.2 - 242.0USA (Nevada) (33198 33322 38919 142856 38920 142858 38921 38922 38923 38924 38925 142865 38926 142868 38927 38930 39087 39088 39089 40748 40749 40750 40751 40753 40756 40757 40759 40760 43860 44034 44149 44154 47953 57089 57090 110987 142857 142859 142860 142861 142862 142863 142864 142866 142867 142869 142870 142871 142992 142996 143011 143012 143013 143014 143016 143018 143023 143025 143027 143029 143031 143049 143216 143217 143218 143219)
Middle Triassic247.2 - 237.0USA (Nevada) (34267)
Fassanian242.0 - 235.0USA (Nevada) (33199 143020 143021 143042 143045 143050 143276 143277 143279)
Longobardian242.0 - 235.0USA (Nevada) (143044 143278)