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
Odontochitina Odontochitina operculata Texas Late Austinian Tayloran
Odontochitina Odontochitina operculata Wyoming Campanian
Oligosphaeridium Oligosphaeridium anthophorum Canada(Saskatchewan) Middle Campanian Maastrichtian
Oligosphaeridium Oligosphaeridium anthophorum Canada(Alberta) Middle Campanian
Oligosphaeridium Oligosphaeridium anthophorum Canada(Manitoba) Middle Campanian Late Campanian
Oligosphaeridium Oligosphaeridium anthophorum Canada(Manitoba) Middle Campanian
Oligosphaeridium Oligosphaeridium complex Canada(Saskatchewan) Campanian Maastrichtian
Oligosphaeridium Oligosphaeridium complex Canada(Alberta) Middle Campanian
Oligosphaeridium Oligosphaeridium complex Canada(Manitoba) Middle Campanian Maastrichtian
Oligosphaeridium Oligosphaeridium complex Texas Tayloran
Oligosphaeridium Oligosphaeridium complex Wyoming Campanian
Oligosphaeridium Oligosphaeridium pulcherrimum Canada(Saskatchewan) Middle Campanian Maastrichtian
Oligosphaeridium Oligosphaeridium pulcherrimum Canada(Alberta) Middle Santonian Late Santonian
Oligosphaeridium Oligosphaeridium pulcherrimum Canada(Manitoba) Middle Campanian Maastrichtian
Oligosphaeridium Oligosphaeridium pulcherrimum Wyoming Campanian
Ophiobolus Ophiobolus lapidaris Canada(Saskatchewan) Middle Santonian Maastrichtian
Ophiobolus Ophiobolus lapidaris Canada(Manitoba) Middle Campanian Late Campanian