Vesiculation in the dinoflagellate cyst Cannosphaeropsis franciscana Damassa, 1979 across the K/Pg boundary (Vancouver Island, Canada) with implications for …

SMS McLachlan, V Pospelova, EC Humphrey - Review of Palaeobotany …, 2021 - Elsevier
Wall structure and process type have long been essential taxonomic characters used in
generic and specific determinations among spiniferate gonyaulacacean dinoflagellate cysts …

The trace fossil Gyrolithes lorcaensis from the Lower Cretaceous of the Kopet-Dagh Basin, NE Iran

SMA Moosavizadeh, D Knaust - Ichnos, 2022 - Taylor & Francis
The helical, vertical trace fossil Gyrolithes lorcaensis is described from marine to marginal-
marine deposits of the Lower Cretaceous of the Sarcheshmeh Formation near the city Kalat …

Dinoflagellate cysts across the Cretaceous–Paleogene (K/Pg) boundary in the North Pacific; biostratigraphy, diversity, and paleoenvironmental reconstructions

SMS McLachlan - 2021 - dspace.library.uvic.ca
The central objective of this study is to understand phytoplankton community response
following the global mass extinction event at the Cretaceous–Paleogene (K/Pg) boundary …