Author:
Harker,S.D.;Sarjeant,W.A.S.;Caldwell,W.G.E.
Year:
1990
Title:
Late Cretaceous (Campanian) organic-walled microplankton from the interior plains of Canada, Wyoming and Texas; biostratigraphy, palaeotology and palaeoenvironmental interpretation.
Reference:
Harker,S.D. et al. (1990) Late Cretaceous (Campanian) organic-walled microplankton from the interior plains of Canada, Wyoming and Texas; biostratigraphy, palaeotology and palaeoenvironmental interpretation. Pal¤eontographica Abteilung B Vol. 219 # 1 P. 1- 243
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Genus Species Country(Region) From To
Cyclonephelium Cyclonephelium distinctum Wyoming Campanian
Pterospermopsis Pterospermopsis australiensis Wyoming Campanian
Alterbidinium Alterbidinium acutulum Wyoming Campanian
Laciniadinium Laciniadinium firmum Wyoming Campanian
Palambages Palambages morulosa Wyoming Campanian
Achomosphaera Achomosphaera ramulifera Wyoming Campanian
Membranosphaera Membranosphaera maastrichtica Wyoming Campanian
Spongodinium Spongodinium delitiense Wyoming Campanian
Chatangiella Chatangiella victoriensis Wyoming Campanian
Tanyosphaeridium Tanyosphaeridium variecalamum Wyoming Campanian
Cribroperidinium Cribroperidinium orthoceras Wyoming Campanian
Dinogymnium Dinogymnium albertii Wyoming Campanian
Chlamydophorella Chlamydophorella nyei Wyoming Campanian
Oligosphaeridium Oligosphaeridium complex Wyoming Campanian
Chatangiella Chatangiella madura Wyoming Campanian
Pilula Pilula penita Wyoming Campanian
Spinidinium Spinidinium clavus Wyoming Campanian