Echinoidites
- Citations total:
- 2
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| original | Middle Eocene | Colombia | Gonzalez-Guzman,A.E. A palynological study on the Upper Los Cuervos and Mirador Formations (Lower and Middle Eocene;Tibu area, Colombia) | 1967 | |
| details | Nd | Nd | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). | 1970 |