Fossil Sites Across Geologic Time

Eon

Cenozoic

Quaternary
(1.8 ma to today)

• Temblor Formation, California

• Brule Formation, North & South Dakota (34-30)

• Green River Formation Wyoming (50)
• Messel Oil Shale Lagerstatte, Germany (50Ma)
• McAbee Fossil Beds, BC, Canada (53)

Cretaceous
(146 to 65 ma)

Upper

• Hell Creek Formation Montana, North Dakota, South Dakota, and Wyoming (70-65)
• Fox Hills Formation, South Dakota & US Great Plains into Canada (70)
• Bearpaw Formation, northern Montana to northern Alberta (75-72)
• Judith River Formation, Montana (80-75)
• Pierre Shale (83-72)
• Lebanon Sublithographic Limestone (95-93)
• Gobi Desert of Inner Mongolia (75)

• Santana Formation, Brazil (108-92)
• Crato Formation, Brazil (117)
• Yixian Formation, Liaoning Province, China (125-121)

• Solnhofen Limestone, Germany (155)

252.2

• Francis Creek shale, Braidwood, Illinois, Mazon Creek (310-300)
• Bear Gulch Limestone, Montana (320)

• Crawfordsville Indiana Crinoids (340)

• Hunsrück Slates, Bundenbach, Germany (390)

• Rhynie chert, Scotland, UK (400)
• Haragan Formation Oklahoma Trilobites (417)

Upper

Middle

• Trilobites near St. Petersburg, Russia

Lower

• Fezouata Formation, Draa Valley, Morocco (485)

• Marjun Formation, Utah (504)
• Burgess Shale in BC Canada (505)
• Wheeler Shale, House Range, Utah (507)

• Blackberry Hill Wisconsin Ichnofossils (510-500)
• Kaili Formation, Guizhou Province, China (513-501)
• Pioche Shale, Nevada (~514-504)
• Emu Bay Shale, Southern Australia (513)
• Sirius Passet in Greenland (517)
• Chengjiang Maotianshan Shales, Yunnan Province, China (518)

P
r
o
t
e
r
o
t
z
o
i
c

• Ediacara Hills in Southern Australia (550-545)
• Mistaken Point, Newfoundland, Canada (565)
• Doushantuo Formation, Guizhou Province, China (600-555)
• White Sea Region, Russia

• Bitter Springs, Southern Australia (850-1000)

A
r
c
h
e
a
n

Neoarchean
(2800 to 2500 ma)

• Strelly Pool, Australia, Stromatolites