KJ9402 (DMNH 1192) (Cretaceous of the United States)

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• coordinate based on unpublished field data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
 Gleicheniales - Polypodiidae
 Equisetales - Equisetidae
Equisetum "UD006" Linnaeus 1753 horsetail
UD006
  - Gleicheniaceae
Pteridopsida
  -
"Filicopsida "UD009"" = Pteridopsida
"Filicopsida "UD009"" = Pteridopsida Ritgen 1828
UD009
Lycopsida
  -