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
Polysphaeridium Polysphaeridium subtile Canada(Saskatchewan) Middle Campanian Maastrichtian
Polysphaeridium Polysphaeridium subtile Canada(Manitoba) Middle Campanian Maastrichtian
Polysphaeridium Polysphaeridium subtile Texas Late Austinian Tayloran
Polysphaeridium Polysphaeridium subtile Wyoming Campanian
Pterodinium Pterodinium agadirense Canada(Saskatchewan) Middle Campanian
Pterodinium Pterodinium agadirense Canada(Manitoba) Middle Campanian
Pterodinium Pterodinium cingulatum Canada(Saskatchewan) Middle Santonian Middle Campanian
Pterodinium Pterodinium cingulatum Canada(Manitoba) Middle Campanian Late Campanian
Pterodinium Pterodinium cingulatum Texas Late Austinian Tayloran
Pterospermopsis Pterospermopsis australiensis Canada(Saskatchewan) Middle Campanian
Pterospermopsis Pterospermopsis australiensis Texas Late Austinian
Pterospermopsis Pterospermopsis australiensis Wyoming Campanian
Schizocystia Schizocystia laevigata Canada(Saskatchewan) Middle Campanian
Schizocystia Schizocystia laevigata Canada(Manitoba) Middle Campanian
Scuticabolus Scuticabolus lapidaris Nd Nd
Senoniasphaera Senoniasphaera protrusa Texas Late Tayloran
Senoniasphaera Senoniasphaera rotundata Texas Late Austinian Tayloran