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Summary
| Description |
English: Fin spine from the ptyctodont Ptyctodus ferox Eastman, 1898; Middle Devonian; Milwaukee Formation; Berthelet Member; Milwaukee County, Wisconsin; Greene Museum; photograph originally published in K.C. Gass, J. Kluessendorf, D.G. Mikulic, and C.E. Brett, 2019. Fossils of the Milwaukee Formation: A Diverse Middle Devonian Biota from Wisconsin, USA. Siri Scientific Press, Manchester, UK. |
| Date | |
| Source | Own work |
| Author | Kennethcgass |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:40, 29 November 2019 | | 5,032 × 6,775 (19.03 MB) | Kennethcgass | User created page with UploadWizard |
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