File:Geographical distribution of chasmataspidid fossils.png
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Summary
| Description |
English: 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 | Lamsdell, James C.; Gunderson, Gerald O.; Meyer, Ronald C. (2019). "A common arthropod from the Late Ordovician Big Hill Lagerstätte (Michigan) reveals an unexpected ecological diversity within Chasmataspidida". BMC Evolutionary Biology. 19 (8). doi:10.1186/s12862-018-1329-4. |
| Author | Ron Blakey |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:19, 12 January 2019 | | 785 × 1,203 (1.24 MB) | Super Dromaeosaurus | User created page with UploadWizard |
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