Cretaceous-Tertiary Foraminifera and Palynomorphs from Djega Section and Inferred Paleodepositional Environments, Rio Del Rey Basin, Cameroon, West Africa

Figure 6

(a) Some common planktic and benthic foraminiferal forms recovered from the Djega outcrop represented by line drawings, not to scale: 1-2 Pseudotextularia elegans (1 side view, 2 edge view), 3-4 Hedbergella planispira (3 umbilical side, 4 spiral side), 5-6 H. monmouthensis (5 umbilical side, 6 spiral side), 7 H. holmdelensis (side view), 8–11 Bolivina afra cf Afrobolivina afra (8 a megalospheric form, probably a juvenile, 9-10 side views, 11 apertural view), 12 and 13 Bolivina explicate (side views), 14-15 Praebulimina robusta (14 side view, 15 edge view), 16 Praebulimina laddi (edge view), 17 Orthokarstenia ewaldi (side view), 18 Praebulimina lata (side view), 19 Orthokarstenia parva (side view), 20-21 Lenticulina secans (20 side view, 21 edge view), 22-23 Planulina nacatochensis (22 spiral side, 23 umbilical side), 24 Gavelinella guineana (spiral side), 25-26 Nonionella robusta (25 spiral side, 26 umbilical side), 27 Ammobaculites subcretacea (side view), 28-29 Ammobaculites coprolithiformis (side views), 30 Haplophragmoides sp. (umbilical side), 31 Epinoides sp. (side view), and 32 and 33 Anomalinoides umboniferus; (a) spiral view and (b) umbilical view. (b) Photo micrographs of some palynomorphs recovered from the Djega outcrop; 1: Asplenium sp., 2: Syncolporites marginatus, 3: Syncolporites marginatus, 4: Longapertites marginatus, 5: Ctenolophonidites costatus, 6: Retidiporites magdeleinsis, 7: Retidiporites magdelensis, 8: Acrostichum aureum, 9: Klukisporites pseudoreticulatus, 10: Cyathidites sp., 11: Cyathidites sp., 12: Laevigatosporites ovatus.

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