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

Where: Gambe, Nigeria (10.0° N, 11.2° E: paleocoordinates 6.7° S, 3.3° E)

• coordinate stated in text

When: Yolde Formation, Late/Upper Albian to Late/Upper Albian (105.3 - 93.5 Ma)

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

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 144198: authorized by Carlos Jaramillo, entered by Gabriela Doria on 02.05.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Polypodiopsida
 Schizaeales - Polypodiidae
Cicatricosisporites "sp. 2" Potonie and Gelletich 1933
Equisetopsida
 Pinidae - Pinidae
Galeacornea causea
  -
Galeacornea causea Stover 1963 elaterate
Galeacornea clavis
  -
Galeacornea clavis Stover 1963 elaterate
Gnetaceaepollenites
  -
Ginkgoopsida
 Ephedrales -
Ephedripites "sp. II" Bolkhovitina and PotoniƩ 1958
Ephedripites "sp. 5" Bolkhovitina and PotoniƩ 1958
Angiospermae
  -
Afropollis jardinus Doyle et al. 1982
 Buxales - Didymelaceae
 Gunnerales -
Tricolpites "sp.1" Couper 1953
 Austrobaileyales - Trimeniaceae
  -
Monosulcites "sp. 1" Cookson and Couper 1953
Monosulcites "sp. 2" Cookson and Couper 1953
 Malpighiales - Euphorbiaceae
Tricolporopollenites "sp. S. 152" Thomson and Pflug 1953 spurge
  -
Tetracolpites sp. Srivastava 1967
Perotriletes pannuceus
  -