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 145180: authorized by Carlos Jaramillo, entered by Gabriela Doria on 28.05.2013, edited by Patricio Santamarina
Creative Commons license: CC BY (attribution)
Taxonomic list
Pilosisporites trichopapillosus | |
Pilosisporites trichopapillosus Delcourt and Sprumont 1955 | |
Polypodiopsida | |
Verrucosisporites rotundus Singh 1964
Verrucosisporites obscurilaesuratus Pocock 1962 | |
Crybelosporites cf. pannuceus Srivastava 1977 | |
Cicatricosisporites spp. Potonie and Gelletich 1933 | |
Pteridopsida | |
Deltoidospora diaphana Wilson and Webster 1946 | |
Rouseisporites | |
Rouseisporites sp. Pocock 1962 | |
Marchantiopsida | |
Aequitriradites cf. acusus Dettmann 1963 | |
Angiospermae | |
Afropollis zonatus Doyle et al. 1982 | |
Algae | |
Equisetopsida | |
Araucariacites australis Cookson 1947
Classopollis spp. Pflug 1953 | |
Cycadopsida | |
Steevesipollenites sinuosus Azema and Boltenhagen 1974 cycads | |
Concavissimisporites | |
Concavissimisporites punctatus Pocock 1964
Concavissimisporites cf. variverrucatus Brenner 1963 | |
Ginkgoopsida | |
Ephedripites spp. Bolkhovitina and Potonié 1958
Ephedripites strigatus Brenner 1968
Ephedripites cf. multicostatus Brenner 1963
Ephedripites jansonii Muller 1968 | |
Lycopodiopsida | |
Retitriletes sp. Pierce 1961 clubmoss |