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Dakota - Janssen Clay, Jefferson County, Nebraska, USA

FormationDakota
MemberJanssen Clay
Age:99.6 - 93.5 Ma
Late/Upper Cretaceous
IntervalEarly Cenomanian - Middle Cenomanian
Lithologyclaystone/sandstone
Number of Collections1
Number of Occurrences20

Recorded Sample Locations

LocationRegionStratigraphic Name
Rose Creek LocalityJefferson County, Nebraska, USADakota - Janssen Clay

Recorded Fossils

Accepted NameHierarchyAge
Acritodromum ellipticum
species		7Plantae : Tracheophyta : Magnoliopsida : Acritodromum : Acritodromum ellipticum99.6 - 93.5 Ma
Late/Upper Cretaceous
Anisodromum wolfei
species		7Plantae : Tracheophyta : Magnoliopsida : Anisodromum : Anisodromum wolfei99.6 - 93.5 Ma
Late/Upper Cretaceous
Citrophyllum doylei
species		7Plantae : Tracheophyta : Magnoliopsida : Rosales : Citrophyllum : Citrophyllum doylei99.6 - 93.5 Ma
Late/Upper Cretaceous
Densinervum kaulii
species		7Plantae : Tracheophyta : Magnoliopsida : Laurales : Densinervum : Densinervum kaulii99.6 - 93.5 Ma
Late/Upper Cretaceous
Dicotylophyllum aliquantuliserratum
species		7Plantae : Tracheophyta : Magnoliopsida : Dicotylophyllum : Dicotylophyllum aliquantuliserratum99.6 - 93.5 Ma
Late/Upper Cretaceous
Dicotylophyllum angularis
species		7Plantae : Tracheophyta : Magnoliopsida : Dicotylophyllum : Dicotylophyllum angularis99.6 - 93.5 Ma
Late/Upper Cretaceous
Dicotylophyllum expansolobum
species		7Plantae : Tracheophyta : Magnoliopsida : Dicotylophyllum : Dicotylophyllum expansolobum99.6 - 93.5 Ma
Late/Upper Cretaceous
Dicotylophyllum myrtophylloides
species		7Plantae : Tracheophyta : Magnoliopsida : Dicotylophyllum : Dicotylophyllum myrtophylloides99.6 - 93.5 Ma
Late/Upper Cretaceous
Dicotylophyllum rosafluviatilis
species		7Plantae : Tracheophyta : Magnoliopsida : Dicotylophyllum : Dicotylophyllum rosafluviatilis99.6 - 93.5 Ma
Late/Upper Cretaceous
Didromophyllum basingerii
species		7Plantae : Tracheophyta : Magnoliopsida : Didromophyllum : Didromophyllum basingerii99.6 - 93.5 Ma
Late/Upper Cretaceous
Longstrethia varidentata
species		7Plantae : Tracheophyta : Magnoliopsida : Austrobaileyales : Trimeniaceae : Longstrethia : Longstrethia varidentata99.6 - 93.5 Ma
Late/Upper Cretaceous
Pabiania variloba
species		7Plantae : Tracheophyta : Magnoliopsida : Laurales : Pabiania : Pabiania variloba99.6 - 93.5 Ma
Late/Upper Cretaceous
Pandemophyllum attenuatum
species		7Plantae : Tracheophyta : Magnoliopsida : Laurales : Pandemophyllum : Pandemophyllum attenuatum99.6 - 93.5 Ma
Late/Upper Cretaceous
Pandemophyllum kvacekii
species		7Plantae : Tracheophyta : Magnoliopsida : Laurales : Pandemophyllum : Pandemophyllum kvacekii99.6 - 93.5 Ma
Late/Upper Cretaceous
Reynoldsiophyllum nebrascense
species		7Plantae : Tracheophyta : Magnoliopsida : Reynoldsiophyllum : Reynoldsiophyllum nebrascense99.6 - 93.5 Ma
Late/Upper Cretaceous
Crassidenticulum decurrens
species		7Plantae : Spermatophyta : Magnoliopsida : Laurales : Crassidenticulum : Crassidenticulum decurrens99.6 - 93.5 Ma
Late/Upper Cretaceous
Landonia calophylla
species		7Plantae : Tracheophyta : Magnoliopsida : Laurales : Landonia : Landonia calophylla99.6 - 93.5 Ma
Late/Upper Cretaceous
Pandemophyllum sp.
genus		6Plantae : Tracheophyta : Magnoliopsida : Laurales : Pandemophyllum99.6 - 93.5 Ma
Late/Upper Cretaceous
Magnoliales
order		4Plantae : Tracheophyta : Magnoliopsida : Magnoliales99.6 - 93.5 Ma
Late/Upper Cretaceous
Magnoliid
unranked clade		99Plantae : Spermatophyta : Magnoliopsida : Magnoliid99.6 - 93.5 Ma
Late/Upper Cretaceous

References

Upchurch G. R., Dilcher D. L. (1990) Cenomanian Angiosperm Leaf Megafossils, Dakota Formation, Rose Creek Locality, Jefferson County, Southeastern Nebraska, U.S. Geological Survey Bulletin 1915
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
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