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
Subtilisphaera Subtilisphaera pirnaensis Canada(Saskatchewan) Middle Campanian Late Campanian
Subtilisphaera Subtilisphaera pirnaensis Canada(Manitoba) Middle Campanian Late Campanian
Subtilisphaera Subtilisphaera pirnaensis Texas Tayloran
Subtilisphaera Subtilisphaera pirnaensis Wyoming Campanian
Tanyosphaeridium Tanyosphaeridium variecalamum Canada(Saskatchewan) Middle Campanian Maastrichtian
Tanyosphaeridium Tanyosphaeridium variecalamum Canada(Manitoba) Middle Campanian Late Campanian
Tanyosphaeridium Tanyosphaeridium variecalamum Texas Late Austinian Tayloran
Tanyosphaeridium Tanyosphaeridium variecalamum Wyoming Campanian
Thalassiphora Thalassiphora pelagica Canada(Saskatchewan) Middle Campanian
Tityrosphaeridium Tityrosphaeridium truncigerum Nd Nd
Trigonopyxidia Trigonopyxidia ginella Wyoming Campanian
Trithyrodinium Trithyrodinium ornatum Nd Nd
Veryhachium Veryhachium rhomboidium Canada(Saskatchewan) Middle Campanian
Veryhachium Veryhachium rhomboidium Canada(Manitoba) Middle Campanian
Wallodinium Wallodinium anglicum Canada(Saskatchewan) Middle Campanian
Wallodinium Wallodinium anglicum Canada(Manitoba) Middle Campanian Maastrichtian