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
Oligosphaeridium Oligosphaeridium pulcherrimum Canada(Alberta) Middle Santonian Late Santonian
Pervosphaeridium Pervosphaeridium truncatum Canada(Alberta) Middle Santonian Middle Campanian
Micrhystridium Micrhystridium harlandii Canada(Alberta) Middle Santonian Late Santonian
Alterbidinium Alterbidinium minus Canada(Alberta) Middle Santonian Campanian
Palaeoperidinium Palaeoperidinium cretaceum Canada(Alberta) Middle Santonian Campanian
Palaeoperidinium Palaeoperidinium parvum Canada(Alberta) Campanian
Cyclonephelium Cyclonephelium distinctum Canada(Alberta) Middle Campanian
Cleistosphaeridium Cleistosphaeridium armatum Canada(Alberta) Middle Campanian
Dinogymnium Dinogymnium euclaense Canada(Alberta) Middle Campanian
Oligosphaeridium Oligosphaeridium complex Canada(Alberta) Middle Campanian
Chatangiella Chatangiella hexacalpis Canada(Alberta) Middle Campanian
Ginginodinium Ginginodinium ornatum Canada(Alberta) Middle Campanian
Oligosphaeridium Oligosphaeridium anthophorum Canada(Alberta) Middle Campanian
Nummus Nummus similis Canada(Alberta) Middle Campanian
Cleistosphaeridium Cleistosphaeridium aciculare Canada(Alberta) Middle Campanian
Fromea Fromea chytra Canada(Alberta) Middle Campanian
Laciniadinium Laciniadinium biconiculum Canada(Alberta) Campanian