Where: Western Desert, Egypt (31.0° N, 27.8° E: paleocoordinates 12.5° N, 24.0° E)
• coordinate estimated from map
When: Khatatba Formation, Bathonian to Bathonian (168.3 - 157.3 Ma)
Environment/lithology: terrestrial; lithified, argillaceous, muddy mudstone and lithified, argillaceous, silty shale
Size class: microfossils
Preservation: soft parts, original sporopollenin
Primary reference: M. S. Mahmoud and A.-R. M. Moawad. 2000. Jurassic-Cretaceous (Bathonian to Cenomanian) palynology and stratigraphy of the West Tiba-1 borehole, northern Western Desert, Egypt. Journal of African Earth Sciences 30:401-416 [C. Jaramillo/G. Doria/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 139312: authorized by Carlos Jaramillo, entered by Gabriela Doria on 11.02.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Dictyotriletes | |
Marchantiopsida | |
Aequitriradites spinulosus Cookson and Dettmann 1958 | |
Taurocusporites | |
Taurocusporites sp. Stover 1962 | |
Equisetopsida | |
Classopollis sp. Pflug 1953
Classopollis classoides Pflug 1953
Araucariacites sp. Cookson and Couper 1953
Araucariacites australis Cookson 1947 | |
Concavissimisporites | |
Concavissimisporites variverrucatus Brenner 1963 | |
Pteridopsida | |
Deltoidospora spp. Miner 1935
Todisporites minor Couper 1953 | |
Concavisporites | |
Concavisporites sp. Delcourt and Sprumont 1955 | |
Polypodiopsida | |
Laevigatosporites sp. Ibrahim 1933 | |
Chomotriletes | |
Chomotriletes fragilis Pocock 1962 |