Studies of North American Jurassic Radiolaria. Parts I & II. 

Part I. Upper Jurassic (Kimmeridgian-Upper Tithonian) Pantanelliidae from the Taman Formation, east-central Mexico: Tectonostratigraphic, 

chronostratigraphic, and phylogenetic implications. 

Part II. Preliminary Radiolarian zonation for the Jurassic of North America.