Preliminary studies of the ultrastructure of selected Ordovician conodonts

Lignende værker

• Upper Cambrian to Lower Ordovician conodont biostratigraphy and biofacies, Rabbitkettle Formation, District of Mackenzie /
  af: Landing, Ed
  Udgivet: (1980)
• The trilobites Bathyurus and Eomonorachus from the Middle Ordovician of Oklahoma and their biofacies significance /
  af: Ludvigsen, Rolf
  Udgivet: (1978)
• Revision of conodont biofacies nomenclature and interpretations of environmental controls in Pennsylvanian rocks of eastern and central North America /
  af: Merrill, Glen K.
  Udgivet: (1976)
• The Ordovician trilobite Pseudogygites Kobayashi in eastern and arctic North America /
  af: Ludvigsen, Rolf
  Udgivet: (1979)
• Upper Cambrian and Lower Ordovician trilobite biostratigraphy of the Rabbitkettle Formation, western District of Mackenzie /
  af: Ludvigsen, Rolf
  Udgivet: (1982)