Hanna, G D., Hendey, N. I. & Brigger, A.L. (1976). Some Eocene diatoms from South Atlantic Cores, Part 1. New and rare species of Arachnoidiscus. Occasional Papers of the California Academy of Sciences, 123: 2-19
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Hanna, G D., Hendey, N. I. & Brigger, A.L.
1976
Some Eocene diatoms from South Atlantic Cores, Part 1. New and rare species of Arachnoidiscus
Occasional Papers of the California Academy of Sciences