15874-12SFI (Cretaceous of the United States)

Also known as IU Locality 15874, Sample 12 at SFI, Russell Co., KS (Dakota Formation)

Where: Russell County, Kansas (38.9° N, 98.9° W: paleocoordinates 37.4° N, 61.5° 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: claystone

• 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.
• silty claystone

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 32684: authorized by Rick Lupia, entered by Tiffany Naeher on 12.07.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Maexisporites soldanellus, Plantae indet.
Plantae indet. Haeckel 1866
Spiny "fruit"
Polypodiopsida
  - Marsileaceae
Molaspora salinum n. sp., Molaspora lobata
Molaspora lobata Hall and Peake 1968
Pteridopsida
 Marsileales -
Arcellites disciformis
Spermatites
  -
Spermatites piperiformis
Spermatites piperiformis
seed, fruit, or miscellaneous fossil
Lycopodiopsida
 Isoetales -
Minerisporites dissimilis
Striatriletes
  -
Striatriletes radialis
Dictyothylakos
  -
Dictyothylakos sp.
Dictyothylakos sp. Horst 1954
seed, fruit, or miscellaneous fossil
Paxillitriletes
  -
Paxillitriletes dakotaensis