Where: South Kurdufan, Sudan (11.0° N, 27.7° E: paleocoordinates 10.2° S, 17.8° E)

• coordinate based on nearby landmark

When: Zone III (Apt.-Alb.) pollen zone, Bentiu Formation, Aptian to Aptian (125.0 - 100.5 Ma)

• Reference section. Azx-1, depth 1580 m (sample Az

•04).

•Definition. The top of this zone is marked by the last

•occurrence of Crybelosporites cf. pannuceus and the

•occurrence of abundant Classopollis spp., Ephedripites

•jansonii, Ephedripites cf. multicostatus and Araucariacites

•australis.

•Suggested age. Albian–Cenomanian.

•Discussion. The African range of Crybelosporites pannuceus

•is restricted to the Albian and Cenomanian (Lawal

•and Moullade 1986; Awad 1994; Schrank and Ibrahim

•1995; Schrank and Mahmoud 1998) and from the same

•interval in northern South America (e.g. Brenner 1968;

•Regali et al. 1974). The occurrence of Ephedripites

•jansonii within the Albian/Cenomanian interval is

•evident, e.g. in Sudan (Awad 1994; Eisawi et al. 2009),

•in Brazil (Traverse 1988) and in Nigeria (Lawal and

•Moullade 1986). Classopollis spp. and Araucariacites

•australis are common in this interval

Environment/lithology: fluvial-lacustrine; lithified sandstone

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 145155: authorized by Carlos Jaramillo, entered by Gabriela Doria on 28.05.2013, edited by Patricio Santamarina

Creative Commons license: CC BY (attribution)