File:Harpoceratinae.svg
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Summary
| Description |
English: Approximate timeline of Harpoceratinae genera. Sphenarpites is not shown, as its occurence in time is not exactly known (it is lower Toarcian). Taffertia might have died out in Exaratum subzone which, if true, would mean it would have only about 1/3 of existence time. |
| Date | |
| Source | Own work |
| Author | Reconquistador |
Created using informations from: M. K. Howarth 2013. Treatise on Invertebrate Paleontology, Part L, Revised, Volume 3B, Chapter 4: Psiloceratoidea, Eoderoceratoidea, Hildoceratoidea. J. Rai, S. Jain 2013. Pliensbachian nannofossils from Kachchh: Implications on the earliest Jurassic transgressive event on the western Indian margin
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:34, 20 September 2015 | | 800 × 600 (12 KB) | Reconquistador | Smaller font |
| 19:56, 20 September 2015 |  | 800 × 600 (12 KB) | Reconquistador | Bugfix | |
| 19:45, 20 September 2015 |  | 800 × 600 (12 KB) | Reconquistador | User created page with UploadWizard |
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