Kolmani River-1 well. Syncolporites subtilis Assemblage (Cretaceous of Nigeria)

Where: Gombe, Nigeria (10.1° N, 10.7° E: paleocoordinates 4.3° S, 3.8° E)

• outcrop-level geographic resolution

When: Gongila Formation, Coniacian (89.8 - 86.3 Ma)

Environment/lithology: offshore; lithified shale and lithified claystone

• Offshore-estuarine - See Figure 2
• The Pindiga Formation is dominantly a marine shale facies with limestones at the base.

Size class: microfossils

Preservation: original sporopollenin

Primary reference: C. N. Nwojiji, P. Osterloff, A. Okoro and P. O. Ukeri. 2013. Palynostratigraphy and Age of the Sequence Penetrated by the Kolmani River 1 Well in the Gongola Basin, Northern Benue Trough, Nigeria. Journal of Geosciences and Geomatics 1(1):15-21 [C. Jaramillo/P. Santamarina]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 163725: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 10.11.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Monocolpopollenites
  -
Monocolpopollenites sphaeroidites Jardiné and Magloire 1965
Psilatricolpites
  -
Psilatricolpites "spp." Van der Hammen and Wijmstra 1964
Cycadopsida
 Gnetales -
Steevesipollenites binodosus Stover 1964 cycads
Ginkgoopsida
 Ephedrales -
Ephedripites "spp." Bolkhovitina and Potonié 1958
Magnoliopsida
  -
Angiospermae
 Santalales - Loranthaceae
Syncolporites subtilis Boltenhagen 1976 mistletoe
 Gunnerales -
Polypodiopsida
  - Gleicheniaceae