1. Two new pollen genera (Late Cretaceous and Paleocene) with possible affinity to the Illiciaceae Author/Creator: Tschudy, Robert H., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1970 Resource Type: Book Access & Availability: Loading
2. Two new pollen genera (Late Cretaceous and Paleocene) with possible affinity to the Illiciaceae, Author/Creator: Tschudy, Robert H. Publication/Creation: Washington : U.S. Govt. Print. Off, 1970 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 642-644. Access & Availability: Loading