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Full-Text Articles in Paleobiology

Taphonomic And Diagenetic Pathways To Protein Preservation, Part Ii: The Case Of Brachylophosaurus Canadensis Specimen Mor 2598, Paul Ullmann, Richard D Ash, John B Scannella Aug 2022

Taphonomic And Diagenetic Pathways To Protein Preservation, Part Ii: The Case Of Brachylophosaurus Canadensis Specimen Mor 2598, Paul Ullmann, Richard D Ash, John B Scannella

School of Earth & Environment Faculty Scholarship

Recent recoveries of peptide sequences from two Cretaceous dinosaur bones require paleontologists to rethink traditional notions about how fossilization occurs. As part of this shifting paradigm, several research groups have recently begun attempting to characterize biomolecular decay and stabilization pathways in diverse paleoenvironmental and diagenetic settings. To advance these efforts, we assessed the taphonomic and geochemical history of Brachylophosaurus canadensis specimen MOR 2598, the left femur of which was previously found to retain endogenous cells, tissues, and structural proteins. Combined stratigraphic and trace element data show that after brief fluvial transport, this articulated hind limb was buried in a sandy, …


Taphonomic And Diagenetic Pathways To Protein Preservation, Part Ii: The Case Of Brachylophosaurus Canadensis Specimen Mor 2598, Paul Ullmann, Richard D. Ash, John B. Scanella Aug 2022

Taphonomic And Diagenetic Pathways To Protein Preservation, Part Ii: The Case Of Brachylophosaurus Canadensis Specimen Mor 2598, Paul Ullmann, Richard D. Ash, John B. Scanella

School of Earth & Environment Faculty Scholarship

Recent recoveries of peptide sequences from two Cretaceous dinosaur bones require paleontologists to rethink traditional notions about how fossilization occurs. As part of this shifting paradigm, several research groups have recently begun attempting to characterize biomolecular decay and stabilization pathways in diverse paleoenvironmental and diagenetic settings. To advance these efforts, we assessed the taphonomic and geochemical history of Brachylophosaurus canadensis specimen MOR 2598, the left femur of which was previously found to retain endogenous cells, tissues, and structural proteins. Combined stratigraphic and trace element data show that after brief fluvial transport, this articulated hind limb was buried in a sandy, …


Soft Tissue And Biomolecular Preservation In Vertebrate Fossils From Glauconitic, Shallow Marine Sediments Of The Hornerstown Formation, Edelman Fossil Park, New Jersey., Kristyn K. Voegele, Zachary M Boles, Paul Ullmann, Elena R Schroeter, Wenxia Zheng, Kenneth Lacovara Aug 2022

Soft Tissue And Biomolecular Preservation In Vertebrate Fossils From Glauconitic, Shallow Marine Sediments Of The Hornerstown Formation, Edelman Fossil Park, New Jersey., Kristyn K. Voegele, Zachary M Boles, Paul Ullmann, Elena R Schroeter, Wenxia Zheng, Kenneth Lacovara

School of Earth & Environment Faculty Scholarship

Endogenous biomolecules and soft tissues are known to persist in the fossil record. To date, these discoveries derive from a limited number of preservational environments, (e.g., fluvial channels and floodplains), and fossils from less common depositional environments have been largely unexplored. We conducted paleomolecular analyses of shallow marine vertebrate fossils from the Cretaceous-Paleogene Hornerstown Formation, an 80-90% glauconitic greensand from Jean and Ric Edelman Fossil Park in Mantua Township, NJ. Twelve samples were demineralized and found to yield products morphologically consistent with vertebrate osteocytes, blood vessels, and bone matrix. Specimens from these deposits that are dark in color exhibit excellent …


Soft Tissue And Biomolecular Preservation In Vertebrate Fossils From Glauconitic, Shallow Marine Sediments Of The Hornerstown Formation, Edelman Fossil Park, New Jersey, Kristyn K. Voegele, Zachary Boles, Paul Ullmann, Elena R. Schroeter, Wenxia Zheng, Kenneth Lacovara Aug 2022

Soft Tissue And Biomolecular Preservation In Vertebrate Fossils From Glauconitic, Shallow Marine Sediments Of The Hornerstown Formation, Edelman Fossil Park, New Jersey, Kristyn K. Voegele, Zachary Boles, Paul Ullmann, Elena R. Schroeter, Wenxia Zheng, Kenneth Lacovara

School of Earth & Environment Faculty Scholarship

Endogenous biomolecules and soft tissues are known to persist in the fossil record. To date, these discoveries derive from a limited number of preservational environments, (e.g., fluvial channels and floodplains), and fossils from less common depositional environments have been largely unexplored. We conducted paleomolecular analyses of shallow marine vertebrate fossils from the Cretaceous–Paleogene Hornerstown Formation, an 80–90% glauconitic greensand from Jean and Ric Edelman Fossil Park in Mantua Township, NJ. Twelve samples were demineralized and found to yield products morphologically consistent with vertebrate osteocytes, blood vessels, and bone matrix. Specimens from these deposits that are dark in color exhibit excellent …