Ozarkian seaweeds and oölites

p. 237-260, [6] leaves of plates : ill. ; 24 cm."Literature bearing on ancient seaweeds and the oölites": p. 256-257.Silicified seaweeds of the Conococheague. Fruit conceptacles of Crytozoön proliferum -- Conococheague oölites

American fossil cycads

Vol. II, "Taxonomy."Bibliography: vol. [I], p. 249-256; vol. II, p. 239-248.Mode of access: Internet

A silicified shelf fungus from the Lower Cretaceous of Montana. American Museum novitates ; no. 725

13 p. : ill. ; 24 cm.Includes 1 bibliographical reference (p. 3)

Status of the Mesozoic floras of the United States.

pt.

Status of the Mesozoic floras of the United States.

Includes bibliographical references and indexpt. 1. Text -- pt. 2. PlatesMode of access: Internet