15870-9HSII (Cretaceous of the United States)

Also known as IU Locality 15870, Sample 9 at HSII, Lincoln Co., KS (Dakota Formation)

Where: Lincoln County, Kansas (38.8° N, 98.5° W: paleocoordinates 37.3° N, 61.1° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Dakota Formation, Cenomanian (100.5 - 93.9 Ma)

• These fossils were recovered from the upper part of the Dakota Formation, Central Kansas, U.S.A.

• formation-level stratigraphic resolution

Environment/lithology: marginal marine

• The Dakota Formation is considered to be predominantly nonmarine, with the uppermost portions of the formation comprising marginal marine deposits, probably of deltaic origin, which were deposited during the transgression of the Cretaceous epicontinental sea.

Size class: microfossils

Preservation: original sporopollenin

Collection methods: surface (in situ), chemical, sieve,

Primary reference: W. L. Kovach and D. L. Dilcher. 1988. Megaspores and other dispersed plant remains from the Dakota Formation (Cenomanian) of Kansas, U.S.A. Palynology 12:89-119 [R. Lupia/T. Naeher/T. Naeher]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32644: authorized by Rick Lupia, entered by Tiffany Naeher on 11.07.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Orthothecimorpha
 Circothecida -
Costatheca diskoensis
seed, fruit, or miscellaneous fossil
unclassified
  -
Spermatites
  -
Spermatites sp. Miner 1935
seed, fruit, or miscellaneous fossil
Scabratriletes
  -
Scabratriletes sp. Van der Hammen
Polypodiopsida
  - Marsileaceae
Molaspora lobata Hall and Peake 1968
 Salviniales - Polypodiidae
Pteridopsida
 Marsileales -
Bacutriletes
  -
Erlansonisporites
  -
Lycopodiopsida
 Isoetales -
Paxillitriletes
  -