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Data Sources
Topo
Ecoregions
Public Lands
...
BASEMAPS
Default Weather
Temperature
Smoke
...
WEATHER
Lance Formation
Geologic Formation
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Lithology
Sandstone
Shale
Conglomerate
Other
(6,540 mi²)
Geologic Age
Late Cretaceous (100.5 Ma – 66 Ma ago)
(2,533 mi²)
Campanian – Maastrichtian (83.8 Ma – 66 Ma ago)
(1,570 mi²)
Geologic Unit Label
Kl
(3,695 mi²)
Klm
(230 mi²)
Kln
(179 mi²)
Fossils
Bivalve Fossil
Bivalvia (class)
75
Observations
JAN - DEC
Mollusc Fossil
Mollusca (phylum),
“Molluscs”, “Mollusks”, “Mollusc”
53
Observations
JAN - DEC
Unionidae
FAMILY
51
Observations
JAN - DEC
Baculites
GENUS
40
Observations
Grapevine Fossil
Vitaceae (family)
35
Observations
JAN - DEC
See All
Taxonomy
Geographic Places
307
Geological Feature
46
Geologic Formation
Classified As
Geologic Formation
Lance Formation
Lance Formation
Lance Formation
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