Also known as Slide Ash
Where: Grand County, Utah (39.1° N, 109.1° W: paleocoordinates 39.9° N, 71.2° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Naturita Formation, Cenomanian (100.5 - 93.9 Ma)
• bed-level stratigraphic resolution
Environment/lithology: mire or swamp; poorly lithified, tuffaceous mudstone
Size class: macrofossils
Preservation: adpression
Reposited in the DMNH
Collection methods: quarrying, mechanical,
• Specimens located at Denver Museum of Nature & Science
Primary reference: K. R. Johnson. 2003. Denver Museum of Nature & Science archival records of Kirk Johnson fieldwork in Cretaceous rocks of the Rocky Mountain region. [K. Johnson/K. Johnson/K. Johnson]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 31970: authorized by Kirk Johnson, entered by Michele Reynolds on 29.05.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Polypodiopsida | |
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Pteridopsida | |
"Filicopsida "UD009"" = Pteridopsida
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Lycopsida | |
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