J
Jonathan I. Bloch
Researcher at Florida Museum of Natural History
Publications - 112
Citations - 5678
Jonathan I. Bloch is an academic researcher from Florida Museum of Natural History. The author has contributed to research in topics: Postcrania & Euarchonta. The author has an hindex of 38, co-authored 103 publications receiving 5075 citations. Previous affiliations of Jonathan I. Bloch include University of Michigan & South Dakota School of Mines and Technology.
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Journal ArticleDOI
The Placental Mammal Ancestor and the Post–K-Pg Radiation of Placentals
Maureen A. O'Leary,Maureen A. O'Leary,Jonathan I. Bloch,John J. Flynn,Timothy J. Gaudin,Andres Giallombardo,Norberto P. Giannini,Suzann L. Goldberg,Brian P. Kraatz,Brian P. Kraatz,Zhe-Xi Luo,Jin Meng,Xijun Ni,Michael J. Novacek,Fernando A. Perini,Zachary S. Randall,Guillermo W. Rougier,Eric J. Sargis,Mary T. Silcox,Nancy B. Simmons,Michelle Spaulding,Michelle Spaulding,Paúl M. Velazco,Marcelo Weksler,John R. Wible,Andrea L. Cirranello,Andrea L. Cirranello +26 more
TL;DR: A phylogenetic tree shows that crown clade Placentalia and placental orders originated after the K-Pg boundary, but phenomic signals overturn molecular signals to show Sundatheria (Dermoptera + Scandentia) as the sister taxon of Primates, a close link between Proboscidea and Sirenia (sea cows), and the monophyly of echolocating Chiroptera (bats).
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Transient Floral Change and Rapid Global Warming at the Paleocene-Eocene Boundary
Scott L. Wing,Guy J. Harrington,F. A. Smith,F. A. Smith,Jonathan I. Bloch,Douglas M. Boyer,Katherine H. Freeman +6 more
TL;DR: Floral response to warming and/or increased atmospheric CO2 during the PETM was comparable in rate and magnitude to that seen in postglacial floras and to the predicted effects of anthropogenic carbon release and climate change on future vegetation.
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Grasping Primate Origins
Jonathan I. Bloch,Doug M. Boyer +1 more
TL;DR: It is inferred that the ancestor of Euprimates was primitively an arboreal grasper adapted for terminal branch feeding rather than a specialized leaper or visually directed predator.
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New Paleocene skeletons and the relationship of plesiadapiforms to crown-clade primates
TL;DR: The results, based on the fossil record, unambiguously place plesiadapiforms with Euprimates and indicate that the divergence of Primates (sensu lato) from other euarchontans likely occurred before or just after the Cretaceous/Tertiary boundary (65 Mya), notably later than logistical model and molecular estimates.
Journal ArticleDOI
Giant boid snake from the Palaeocene neotropics reveals hotter past equatorial temperatures
Jason J. Head,Jonathan I. Bloch,Alexander K. Hastings,Jason R. Bourque,Edwin A. Cadena,Edwin A. Cadena,Fabiany Herrera,Fabiany Herrera,P. David Polly,Carlos Jaramillo +9 more
TL;DR: Depositional environments and faunal composition of the Cerrejón Formation indicate an anaconda-like ecology for the giant snake, and an earliest Cenozoic origin of neotropical vertebrate faunas.