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Jason Philip Downs

Observed names: Downs, Jason P., J. P. DOWNS, J. P. Downs, Jason Downs, Jason P. DOWNS, Jason P. Downs, Jason P. Downs,
Institution: Drexel University
ORCID: 0009-0006-8789-5645
Observed ORCID: 0009-0006-8789-5645
OpenAlex ID: A5038508157
Early evolution of vertebrate skeletal tissues and cellular interactions, and the canalization of skeletal development
2006 · Philip Conrad James Donoghue, Ivan James Sansom, et al. · Journal of Experimental Zoology Part B Molecular and Developmental Evolution · 191
The cranial endoskeleton of Tiktaalik roseae
2008 · Jason P. Downs, Edward B. Daeschler, et al. · Nature · 64
Skeletal histology of Bothriolepis canadensis (Placodermi, Antiarchi) and evolution of the skeleton at the origin of jawed vertebrates
2009 · Jason P. Downs, Philip C.J. Donoghue · Journal of Morphology · 48
A large ornithomimid pes from the Lower Cretaceous of the Mazongshan area, northern Gansu Province, People's Republic of China
2003 · Michael D. Shapiro, Hailu You, et al. · Journal of Vertebrate Paleontology · 26
Mass Mortality of Juvenile Antiarchs (Bothriolepissp.) from the Catskill Formation (Upper Devonian, Famennian Stage), Tioga County, Pennsylvania
2011 · Jason P. Downs, Katharine E. Criswell, et al. · Proceedings of the Academy of Natural Sciences of Philadelphia · 23
A new species ofLaccognathus(Sarcopterygii, Porolepiformes) from the Late Devonian of Ellesmere Island, Nunavut, Canada
2011 · Jason P. Downs, Edward B. Daeschler, et al. · Journal of Vertebrate Paleontology · 22
Variation within a large sample ofAgeleodus pectinatusteeth (Chondrichthyes) from the Late devonian of Pennsylvania, U.S.A.
2001 · Jason Philip Downs, Edward B. Daeschler · Journal of Vertebrate Paleontology · 21
New description and diagnosis ofHyneria lindae(Sarcopterygii, Tristichopteridae) from the Upper Devonian Catskill Formation in Pennsylvania, U.S.A.
2018 · Edward B. Daeschler, Jason P. Downs · Journal of Vertebrate Paleontology · 19
New material supports a description and taxonomic revision of Holoptychius ? radiatus (Sarcopterygii, Tristichopteridae) from the Upper Devonian Catskill Formation in Pennsylvania, USA
2019 · Edward B. Daeschler, Jason P. Downs, et al. · Proceedings of the Academy of Natural Sciences of Philadelphia · 12
Long-bone development and life-history traits of the Devonian tristichopterid Hyneria lindae
2018 · Viktoriia KAMSKA, Edward B. DAESCHLER, et al. · Earth and Environmental Science Transactions of the Royal Society of Edinburgh · 12
A New Species of Megalichthys (Sarcopterygii, Megalichthyidae) from the Upper Devonian (Famennian) of Pennsylvania, U.S.A., and a Report on the Cosmine-Covered Osteolepiform Fossils of the Catskill Formation
2020 · Jason P. Downs, Edward B. Daeschler · Journal of Vertebrate Paleontology · 11
Eusthenopteron jenkinsi sp. nov. (Sarcopterygii, Tristichopteridae) from the Upper Devonian of Nunavut, Canada, and a Review of Eusthenopteron Taxonomy
2018 · Jason P. Downs,, Edward B. Daeschler,, et al. · Breviora · 11
Holoptychius bergmannisp. nov. (Sarcopterygii, Porolepiformes) from the Upper Devonian of Nunavut, Canada, and a Review ofHoloptychiusTaxonomy
2013 · Jason P. Downs, Edward B. Daeschler, et al. · Proceedings of the Academy of Natural Sciences of Philadelphia · 11
Tristichopterids (Sarcopterygii, Tetrapodomorpha) from the Upper Devonian tetrapod-bearing locality of Strud (Belgium, upper Famennian), with phylogenetic and paleobiogeographic considerations
2020 · Sébastien Olive, Yann Leroy, et al. · Journal of Vertebrate Paleontology · 10
A new species of Eusthenodon (Sarcopterygii, Tristichopteridae) from the Upper Devonian (Famennian) of Pennsylvania, U.S.A., and a review of Eusthenodon taxonomy
2021 · Jason P. Downs, Jeremy Barbosa, et al. · Journal of Vertebrate Paleontology · 8
A new large-bodied species ofBothriolepis(Antiarchi) from the Upper Devonian of Ellesmere Island, Nunavut, Canada
2016 · Jason P. Downs, Edward B. Daeschler, et al. · Journal of Vertebrate Paleontology · 7
Asterolepis alticristata n. sp. (Antiarchi) from the Upper Devonian (Frasnian) of Nunavut, Canada, and a report on the antiarch diversity of the Fram Formation
2019 · Jason P. Downs, Edward B. Daeschler, et al. · Geodiversitas · 5
New description and diagnosis of Eusthenodon wangsjoi (Tetrapodomorpha, Tristichopteridae) from the Upper Devonian Britta Dal Formation of East Greenland
2025 · Jason P. DOWNS · Earth and Environmental Science Transactions of the Royal Society of Edinburgh · 4
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Second species ofEusthenodon(Tristichopteridae, Sarcopterygii) from the Upper Devonian (Famennian) Catskill Formation of Pennsylvania, U.S.A., and a review of globalEusthenodonoccurrence
2022 · Jason P. Downs, Madison M. Osatchuck, et al. · Journal of Vertebrate Paleontology · 4
Second species of Langlieria (Tristichopteridae, Sarcopterygii) from the Upper Devonian Catskill Formation of Pennsylvania, U.S.A., and a new phylogenetic consideration of Tristichopteridae
2022 · Jason P. Downs, Edward B. Daeschler · Proceedings of the Academy of Natural Sciences of Philadelphia · 4
Third species of Eusthenodon (Tetrapodomorpha, Tristichopteridae) from the Upper Devonian (Famennian) Catskill Formation of Pennsylvania, U.S.A., and an inventory of additional tristichopterid fossils from the type locality
2026 · Jason P. Downs, Adam I. Eliezer, et al. · Journal of Vertebrate Paleontology · 1
Dermal bone remodelling by invasive osteoblasts evolved in stem gnathostomes
2026 · Kate Weymouth-Crocker Jordan, Jason Downs, et al. · bioRxiv (Cold Spring Harbor Laboratory)
Third species of Eusthenodon (Tetrapodomorpha, Tristichopteridae) from the Upper Devonian (Famennian) Catskill Formation of Pennsylvania, U.S.A., and an inventory of additional tristichopterid fossils from the type locality
2026 · Jason P. Downs, Adam I. Eliezer, et al. · Figshare
Asterolepis alticristata n. sp. (Antiarchi) from the Upper Devonian (Frasnian) of Nunavut, Canada, and a report on the antiarch diversity of the Fram Formation
2025 · Downs, Jason P., Daeschler, Edward B., et al. · The Catalogue of Life
Second species of Eusthenodon (Tristichopteridae, Sarcopterygii) from the Upper Devonian (Famennian) Catskill Formation of Pennsylvania, U.S.A., and a review of global Eusthenodon occurrence
2023 · Downs, Jason P., Osatchuck, Madison M., et al. · Figshare
Works count: 43
Citation count: 515
H-index: 11
I10-index: 14
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