Johnson, J. Harlan
Geology of Saipan, Mariana Islands. Part 3. Paleontology. Chapter E. Calcareous algae - Washington, D.C. U.S. Geological Survey 1957 - pp. 209-245 láms.
PALEOBOTANICA
ISLAS MARIANAS
Geology of Saipan, Mariana Islands. Part 3. Paleontology. Chapter E. Calcareous algae - Washington, D.C. U.S. Geological Survey 1957 - pp. 209-245 láms.
PALEOBOTANICA
ISLAS MARIANAS