File:Early-Middle Devonian chasmataspids paleogeography.png
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Summary
| Description |
English: Derived from File:Geographical_distribution_of_chasmataspidid_fossils.png
Geographic distribution of chasmataspidids. Occurrences are shown on paleogeographic reconstructions for the Middle–Late Ordovician, Early–Middle Silurian, and Early–Middle Devonian. Hoplitaspis is indicated by a star while other chasmataspidids are represented by circles. Ba = Baltica, Eu = Euramerica, Go = Gondwana, La = Laurentia, Si = Siberia. Paleogeographic reconstructions |
| Date | |
| Source | File:Geographical distribution of chasmataspidid fossils.png |
| Author | Ron Blakey |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:18, 25 July 2022 | 785 × 393 (474 KB) | NGPezz | Uploaded a work by Ron Blakey from File:Geographical distribution of chasmataspidid fossils.png with UploadWizard |
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- Elämän historia/Devonikausi