KW-1 Well, 3450-3460 m depth (Cretaceous of South Sudan)

Where: South Sudan (9.3° N, 29.1° E: paleocoordinates 10.7° S, 20.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bentiu Formation, Middle Cenomanian (99.6 - 93.5 Ma)

• early "mid" Cenomanian

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified siltstone

Size class: microfossils

Preservation: original sporopollenin

Collection methods: core, chemical, hydrochloric, hydroflouric

Primary reference: J. M. Cole, O. Babiker Abdelrahim, A. W. Hunter, E. Schrank, and M. S. Bin Ismael. 2017. Late Cretaceous spore-pollen zonation of the Central African Rift System (CARS), Kaikang Trough, Muglad Basin, South Sudan: angiosperm spread and links to the Elaterates Province. Palynology 41:547-578 [M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 200012: authorized by Matthew Clapham, entered by Matthew Clapham on 23.02.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Exesipollenites tumulus
  -
Ginkgoopsida
 Ephedrales -
Cycadopites
  -
Cycadopites sp. Wodehouse 1933
Algae
  - Botryococcaceae
Botryococcus sp. Kutzing 1849
Angiospermae
  -
 Mesangiosperms - Arecaceae
Arecipites microfoveolatus Ibrahim 2002 palm
Striatricolpites
  -
Striatricolpites sp. Van der Hammen 1956
Pteridopsida
  -
Polypodiopsida
 Schizaeales - Polypodiidae
Equisetopsida
 Pinidae - Pinidae
Balmeiopsis limbata Archangelsky 1979
Hormogoneae
 Nostocales - Rivulariaceae
Celyphus rallus Batten 1973