Kumo-6 Borehole, Upper Cenomanian (Cretaceous of Nigeria)

Where: Gambe, Nigeria (10.0° N, 11.2° E: paleocoordinates 6.2° S, 3.4° E)

• coordinate stated in text

When: Pindiga Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)

Environment/lithology: marine; lithified, argillaceous shale and lithified, calcareous limestone

• Shally limestone, shale

Size class: microfossils

Preservation: soft parts

Collection methods: chemical, hydrochloric, hydroflouric, sieve

Primary reference: O. Lawal and M. Moullade. 1986. Palynological biostratigraphy of Cretaceous sediments in the Upper Benue basin, NE. Nigeria. Revue de Micropaleontologie 29(1):61-83 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 144199: authorized by Carlos Jaramillo, entered by Gabriela Doria on 02.05.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Equisetopsida
 Pinidae - Pinidae
Dicotyledoneae
  -
Triorites africaensis Jardiné and Magloire 1965
Angiospermae
 Buxales - Didymelaceae
 Gunnerales -
Tricolpites "sp.1" Couper 1953
Tricolpites microstriatus Jardiné and Magloire 1965
 Austrobaileyales - Trimeniaceae
  -
Tetracolpites sp. Srivastava 1967
Monosulcites "sp. 1" Cookson and Couper 1953
 Malpighiales - Euphorbiaceae
Tricolporopollenites "sp. S. 152" Thomson and Pflug 1953 spurge
Ginkgoopsida
 Ephedrales -
Ephedripites ambiguus Hedlund 1966
Cycadopsida
 Gnetales -
Steevesipollenites binodosus Stover 1964 cycads
Polypodiopsida
 Schizaeales - Polypodiidae
Cicatricosisporites "sp. 2" Potonie and Gelletich 1933
Galeacornea causea
  -
Galeacornea causea Stover 1963 elaterate
Galeacornea clavis
  -
Galeacornea clavis Stover 1963 elaterate
Gnetaceaepollenites
  -
Perotriletes pannuceus
  -