Cretaceous and cenozoic Echinoidea of the pacific coast of North America.

Eitemau Tebyg

• Additions to the tertiary history of the Pelagic mammals on the Pacific coast of North America.
  gan: Kellogg, Remington
  Cyhoeddwyd: (1925)
• The north pacific cretaceous trigoniid genus Yaadia.
  gan: Saul, Louella R.
  Cyhoeddwyd: (1978)
• Paleoecological Evaluation of late Eocene biostratigraphic zonations of the Pacific coast of North America.
  gan: McDougall, Kristin
  Cyhoeddwyd: (1980)
• Middle Cenozoic Floras of western North America.
  Cyhoeddwyd: (1936)
• Cenozoic gravigrade edentates of western North America
  gan: Stock, Chester
  Cyhoeddwyd: (1925)