File:Purisima Formation bone modifications (3).png
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| Description |
English: Examples of biogenic bone modifications encountered during this study. (A) fur seal radius (Pinnipedia: Otariidae, UCMP 219009) with mammalian bite marks (see Boessenecker and Perry, 2011). (B) Porpoise cranium (Odontoceti: Phocoenidae, undescribed genus; UCMP 219504) with two sets of linear bite marks (C). (D) Bone fragment (Mysticeti indeterminate; UCMP uncatalogued) with numerous circular pits. (E–F) Walrus tooth (Pinnipedia: Odobenidae: Dusignathinae; UCMP 219436) with irregular bioerosion tunnels; (G) magnified view of bioeroded surface. (H) Dolphin humerus (Odontoceti indeterminate; UCMP 219361) with bioeroded gallery. (I) Baleen whale mandible fragment (Mysticeti indeterminate; UCMP 219089) with parallel linear tooth marks. (J) Dolphin phalanx (Odontoceti indeterminate; UCMP 219627) with linear tooth mark. (K) Fur seal distal femur (Pinnipedia: Otariidae: Thalassoleon sp., cf. T. macnallyae; UCMP 219658) with gastric acid pitting (L) and linear scrape marks (M). |
| Date | |
| Source | Boessenecker RW, Perry FA, Schmitt JG (2014). Comparative Taphonomy, Taphofacies, and Bonebeds of the Mio-Pliocene Purisima Formation, Central California: Strong Physical Control on Marine Vertebrate Preservation in Shallow Marine Settings. PLoS ONE 9(3): e91419. https://doi.org/10.1371/journal.pone.0091419 |
| Author | Robert W. Boessenecker, Frank A. Perry & James G. Schmitt |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 16:56, 8 August 2023 | | 2,059 × 1,324 (3.31 MB) | PaleoNeolitic (talk | contribs) | Uploaded a work by Robert W. Boessenecker, Frank A. Perry & James G. Schmitt from Boessenecker RW, Perry FA, Schmitt JG (2014). Comparative Taphonomy, Taphofacies, and Bonebeds of the Mio-Pliocene Purisima Formation, Central California: Strong Physical Control on Marine Vertebrate Preservation in Shallow Marine Settings. PLoS ONE 9(3): e91419. https://doi.org/10.1371/journal.pone.0091419 with UploadWizard |
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