ammonites

Lower Hongguleleng Member

Geology

Formation: Hongguleleng

Lithologies: "shale" (4), siltstone (1), wackestone (1), "limestone" (2)

Paleoenvironments: marine indet. (5)

Age range: base of the Wonokan to the top of the Holocene or 580.000 to 0.000 Ma
Collections

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ediacaran635.0 - 542.0Kazakstan (10693)
Ediacaran635.0 - 542.0USA (North Carolina) (10257 10258 10259)
Ediacaran635.0 - 542.0Canada (Northwest Territories) (10433)
Ediacaran635.0 - 542.0USA (Nevada) (7180 7177)
Ediacaran635.0 - 542.0Australia (South Australia) (10512 10513 10514 10515 10516 10517)
Ediacaran635.0 - 542.0Norway (Finnmark) (10250)
Ediacaran635.0 - 542.0Australia (Northern Territory) (10511)
Ediacaran635.0 - 542.0USA (California) (7181 7178)
Wonokan - Poundian580.0 - 530.0Canada (Northwest Territories) (10350 10348 10349 10351)
Manykaian542.0 - 530.0Norway (51871 51872 51873)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Gelasian2.588 - 1.806Kenya (21426 21460 21488 21517 21518 21537 21539)
Calabrian1.806 - 0.781Japan (Kanagawa Prefecture) (46043)
Irvingtonian1.8 - 0.3USA (California) (20155)
Irvingtonian1.8 - 0.3USA (Texas) (20411 20412)
Irvingtonian1.8 - 0.3USA (Kansas) (20137 20165 20422 20423 20424)
Middle Pleistocene0.781 - 0.126Bolivia (Chuquisaca) (70704)
Middle Pleistocene0.781 - 0.126Japan (Chiba) (96893)
Middle Pleistocene - Quaternary0.781 - 0.0India (Hoshangabad, Madhya Pradesh) (13447)
Late/Upper Pleistocene0.126 - 0.012Canada (New Brunswick) (73665)
Holocene0.012 - 0.0USA (Louisiana) (41934)