2 Member

Geology

Formation: Tongchuan

Lithologies: sandstone (1)

Paleoenvironments: terrestrial indet. (1)

Age range: base of the Wonokan to the top of the Late/Upper Pleistocene or 580.00000 to 0.01170 Ma
Collections

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ediacaran635.0 - 541.0Canada (Nunavut) (10558 10559)
Wonokan - Poundian580.0 - 538.8Canada (Yukon) (10365 10366 10367 10368)
Meishucunian - Tommotian530.7 - 521.0Mexico (Sonora) (210980)
Tommotian525.5 - 521.0Russian Federation (Yakutiya) (96391 96395 96398)
Tommotian525.5 - 521.0Russian Federation (Yakutia) (45850)
Tommotian525.5 - 521.0Russian Federation (233041 233042)
Tommotian525.5 - 521.0Russian Federation (Krasnoyarsk Krai) (50429)
Nangaoian521.0 - 514.0China (Hubai) (219687)
Montezuman520.0 - 515.3Mexico (10680 203103 203104 203107)
Botomian516.0 - 512.9Russian Federation (Kemorovo) (57020)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Gelasian2.588 - 1.806Ethiopia (21965)
Early/Lower Pleistocene2.588 - 0.781France (Alpes Maritimes) (50523)
Early/Lower Pleistocene2.588 - 0.781USA (California) (223033 223034)
Early/Lower Pleistocene2.588 - 0.781Austria (Bereich) (34455)
Early/Lower Pleistocene2.588 - 0.781South Africa (21826)
Pleistocene2.588 - 0.0117South Africa (21825)
Pleistocene2.588 - 0.0117Djibouti (22482 22487)
Calabrian1.8 - 0.774Peru (Ica) (219105)
Late/Upper Pleistocene0.129 - 0.0117USA (California) (222947 222973 223068 223069 223070 223073)
Late/Upper Pleistocene0.129 - 0.0117Canada (Quebec) (116551)