Colebrook Island (Oligocene of India)
Where: Andaman and Nicobar Islands, India (12.2° N, 92.9° E: paleocoordinates 5.1° N, 99.1° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Oligocene (33.9 - 23.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marginal marine; lithology not reported
Size class: microfossils
Primary reference: R. N. Lakhanpal, H. K. Maheshwari, and N. Awasthi. 1976. A Catalogue of Indian Fossil Plants. 1-318 [B. Allen/B. Allen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 224622: authorized by Bethany Allen, entered by Bethany Allen on 24.03.2022
Creative Commons license: CC BY (attribution)
Taxonomic list
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Chrysophyceae | |
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Bacillariophyceae | |
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Stictodiscus nankoorensis diatom | |
Rhaphoneis cocconeiformis diatom
Rhaphoneis cf. elegans diatom
Rhaphoneis amphiceros Ehrenberg 1844 diatom | |
Actinoptychus undulatus diatom | |
Coscinodiscus lewisianus, Coscinodiscus superbus, Coscinodiscus asteromphalus, Craspedodiscus coscinodiscus
Coscinodiscus lewisianus diatom
Coscinodiscus superbus diatom
Coscinodiscus asteromphalus Ehrenberg 1839 diatom
Craspedodiscus coscinodiscus Ehrenberg 1845 diatom | |
Gephyria media diatom | |
Plagiogramma tesselatum diatom | |
Asteromphalus flabellatus diatom
Asterolampra nicobarica diatom
Asterolampra marylandica Ehrenberg 1844 diatom | |
Triceratium cancellatum diatom | |
Rossiella paleacea diatom | |
Xanthiopyxis oblonga Ehrenberg 1845 diatom | |
Arachnoidiscus ornatus diatom |