Eocene to Oligocene dinoflagellate cysts from the Tattofte section, western External Rif, northwestern Morocco: Biostratigraphy, paleoenvironments and paleoclimate

Palynostratigraphy, biochronology and palaeobathymetry of a section of Awaizombe-1 well, eastern Niger Delta, Nigeria

“…1996; Chekar et al . 2018). Other occurring palynomorphs include spores, pollens, bissacate pollen and algae (Fig.…”

“…Dinocysts used in palaeoenvironmental interpretation include: Homotryblium oceanicum and zoharyi (these taxa are common in inner neritic to oceanic warm and high saline water environments, in subtropical to tropical regions, which may have a high productivity); Lingulodinium machaerophorum (it is assigned to inner neritic environments with low to normal salinity and warm temperate water species and an indicator of nutrient enrichment reflecting increased productivity and may proliferate in the vicinity of the active upwelling cells or near river mouths); Achomosphaera sp., Hystrichosphaeropsis minimum, Spiniferites sp., Spiniferites mirabilis (these taxa are assigned to neritic to oceanic setting with stable salinity, this group can be cosmopolitan and also can reach high relative abundances in high productivity areas such as upwelling regions and areas influenced by river discharge); Nematosphaeropsis labyrinthea (this taxa is related to outer neritic to oceanic environments, its occurrence can also indicates an increase in sea level); and Leisphaeridia sp. is suggestive of an outer neritic to upper bathyal (Stover et al 1996;Chekar et al 2018). Other occurring palynomorphs include spores, pollens, bissacate pollen and algae (Fig.…”