Where: West Kurdufan, Sudan (11.0° N, 27.7° E: paleocoordinates 9.5° S, 17.2° E)
• coordinate based on nearby landmark
When: Zone II (Barremian-Aptian) pollen zone, Abu Gabra Formation, Barremian to Barremian (129.4 - 113.0 Ma)
• Definition. The top of this zone is indicated by the last
•occurrence of Pilosisporites trichopapillosus and the
•occurrence of Afropollis zonatus, Leptolepidites psarosus,
•Concavissimisporites punctatus, Araucariacites
•australis, Cicatricosisporites spp. and Classopollis spp.
•Afropollis cf. operculatus and Concavissimisporites cf.
•variverrucatus are recorded from equivalent strata of
•the second study well, Khx-1.
Environment/lithology: fluvial-lacustrine; lithified siltstone
Size class: microfossils
Preservation: soft parts, original sporopollenin
Collection methods: chemical, hydrochloric, hydroflouric, sieve
Primary reference: A. A. M. Eisawi, A. B. Ibrahim, O. B. A. Rahim and E. Schrank. 2012. Palynozonation of the Cretaceous to Lower Paleogene Strata of the Muglad Basin, Sudan. Palynology 36(2):191-207 [C. Jaramillo/G. Doria/A. Cardenas ]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 145178: authorized by Carlos Jaramillo, entered by Gabriela Doria on 28.05.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Equisetopsida | |
Araucariacites australis Cookson 1947 | |
Gnetaceaepollenites | |
Gnetaceaepollenites spp. Thiergart 1938 | |
Algae | |
Cycadopites | |
Cycadopites sp. Wodehouse 1933 | |
Cycadopsida | |
Steevesipollenites sinuosus Azema and Boltenhagen 1974 cycads | |
Ginkgoopsida | |
Ephedripites spp. Bolkhovitina and Potonié 1958
Ephedripites strigatus Brenner 1968
Ephedripites cf. multicostatus Brenner 1963 | |
Angiospermae | |
Afropollis cf. operculatus Doyle et al. 1982
Afropollis jardinus Doyle et al. 1982 | |
Lycopodiopsida | |
Retitriletes sp. Pierce 1961 clubmoss | |
Marchantiopsida | |
Aequitriradites cf. acusus Dettmann 1963 | |
Polypodiopsida | |
Crybelosporites cf. pannuceus Srivastava 1977 | |
Cicatricosisporites spp. Potonie and Gelletich 1933 | |
Pteridopsida | |
Deltoidospora diaphana Wilson and Webster 1946
Matonisporites sp. Couper 1958 | |
Pilosisporites trichopapillosus | |
Pilosisporites trichopapillosus Delcourt and Sprumont 1955 | |
Microfoveolatosporis | |
Microfoveolatosporis spp. Krutzsch 1959 |