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Juras-Sick Park-Cast

Juras-Sick Park-Cast

Ryan Rogers

Welcome to the Juras-Sick Park-Cast, the Jurassic Park podcast where guests chat with me about Michael Crichton’s 1990 novel Jurassic Park, and also not that, too.

90 - Dinosaurs Lately - The Ornithischian Silesaurid Hypothesis (Summer 2026)
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  • 90 - Dinosaurs Lately - The Ornithischian Silesaurid Hypothesis (Summer 2026)

    Thanks for tuning into the Dinosaurs Lately podcast, the dinosaur podcast that features periodic updates recapping the latest news on the dinosaurs. This is the podcast that targets a type of dinosaur and tries to catch you up on everything that’s been published on them … lately. The goal is to keep up with all the dinosaurs news, even when I’m not publishing new episodes of the Juras-Sick Park-Cast. If you’re interested in this sort of thing – I hope it helps you feel … up to date. Episode 12 - The Ornithischian Silesaurid Hypothesis (Summer 2026).  Ornithischian Silesaurid Hypothesis news:  Baron, M.; Norman, D; & Barrett, P. (2017). A new hypothesis of dinosaur relationships and early dinosaur evolution. Nature 543, pp. 501–506. https://doi.org/10.1038/nature21700. https://www.nature.com/articles/nature21700. Zittel, K. A. von. (1887–1890). Handbuch der Palaeontologie: I. Abtheilung. Palaeozoologie (Band 3: Vertebrata [Pisces, Amphibia, Reptilia, Aves]). R. Oldenbourg. Biodiversity Heritage Library. https://www.biodiversitylibrary.org/item/124860. (Accessed August 22, 2026). Brusatte, S. L., Benton, M. J., Desojo, J. B., & Langer, M. C. (2010). The higher-level phylogeny of Archosauria (Tetrapoda: Diapsida). Journal of Systematic Palaeontology, 8(1), 3–47. https://doi.org/10.1080/14772010903537732. (Accessed August 22, 2026). Gauthier, J. (1986). Saurischian monophyly and the origin of birds. In K. Padian (Ed.), Memoirs of the California Academy of Sciences: The Origin of Birds and the Evolution of Flight (Vol. 8, pp. 26–28, 54). California Academy of Sciences. DOI: https://biostor.org/reference/110202. (Accessed August 22, 2026). Dal Corso, J. (2025). “Carnian Events.” 49. 1-11. https://www.researchgate.net/publication/391653200_Carnian_Events. (Accessed August 8, 2026). Heath, J.A.; Cooper, N.; Upchurch, P.; & Mannion, P.D. (2025). “Accounting for sampling heterogeneity suggests a low paleolatitude origin for dinosaurs Current Biology.” Current Biology 35, 941-953 (2025). Doi: https://doi.org/10.1016/j.cub.2024.12.053. https://www.cell.com/current-biology/fulltext/S0960-9822(24)01722-6. Upchurch, P. (1995). “The Evolutionary History of Sauropod Dinosaurs.” Philosophical Transactions of The Royal Society B Biological Sciences. 349. 10.1098/rstb.1995.0125. Lovegrove, J., Upchurch, P., & Barrett, P. M. (2024). “Untangling the tree or unravelling the consensus? Recent developments in the quest to resolve the broad-scale relationships within Dinosauria.” Journal of Systematic Palaeontology, 22(1). DOI: https://doi.org/10.1080/14772019.2024.2345333. Lovegrove, J; Chapelle, K.E.J.; Peecook, B.R.; Upchurch, P.; & Barrett, P.M. (2025). “A new large ‘silesaur’ specimen from the ?Late Triassic of Zambia; taxonomic, ecological and evolutionary implications.” Royal Society Open Science 12(7): 250762. doi: https://doi.org/10.1098/rsos.250762 https://royalsocietypublishing.org/doi/10.1098/rsos.250762. Müller, R.T. (2026). “Widespread distribution of large silesaurids evidenced by a new record from the Middle Triassic of southwest Gondwana.” The Anatomical Record (January 2026). doi: https://doi.org/10.1002/ar.70190. https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.70190. Dal Corso, J.; Bernardi, M,; Sun, Y.; Song, H.; Seyfullah, L.; Preto, N.; Gianolla, P.; Ruffell, A.; Kustatscher, E.; Roghi, G.; Merico, A.; Hohn, S.; Schmidt, A.; Marzoli, A.; Newton, R.; Wignall, P.; Benton, M. (2020). “Extinction and dawn of the modern world in the Carnian (Late Triassic).” Science Advances. 6. DOI:10.1126/sciadv.aba0099. https://www.researchgate.net/publication/344273252_Extinction_and_dawn_of_the_modern_world_in_the_Carnian_Late_Triassic. Martz, J.W., Small, B.J. (2019). “Non-dinosaurian dinosauromorphs from the Chinle Formation (Upper Triassic) of the Eagle Basin, northern Colorado: Dromomeron romeri (Lagerpetidae) and a new taxon, Kwanasaurus williamparkeri (Silesauridae).” PeerJ. Sep 3;7:e7551. https:/

    Tue, 01 Sep 2026
  • 89 - Dinosaurs Lately - Eusauropods (Summer 2026)

    Thanks for tuning into the Dinosaurs Lately podcast, the dinosaur podcast that features periodic updates recapping the latest news on the dinosaurs. This is the podcast that targets a type of dinosaur and tries to catch you up on everything that’s been published on them … lately. The goal is to keep up with all the dinosaurs news, even when I’m not publishing new episodes of the Juras-Sick Park-Cast. If you’re interested in this sort of thing – I hope it helps you feel … up to date. Episode 11 - Eusauropods (Summer 2026).  (stream it here) Eusauropod news:  Upchurch, Paul. (1995). “The Evolutionary History of Sauropod Dinosaurs.” Philosophical Transactions of The Royal Society B Biological Sciences. 349. 10.1098/rstb.1995.0125. Gomez, K.L., Pol, D., Ezcurra, M.D. and Carballido, J.L. (2025), Osteology of the appendicular skeleton of Bagualia alba (Dinosauria, Eusauropoda) from the Lower Jurassic of Patagonia and the macroevolutionary history of early eusauropods. Cladistics, 41: 70-103. https://doi.org/10.1111/cla.12607 https://onlinelibrary.wiley.com/doi/10.1111/cla.12607 Gomez, K.L.; Paulina-Carabajal, A.; Pol, D.; & Carballido, J.L. (2025). “Contributions to the sensory palaeobiology of Sauropodomorpha from the study of the endocranium of the Early Jurassic eusauropod Bagualia alba.” Papers in Palaeontology 11(3): e70023. doi: https://doi.org/10.1002/spp2.70023 https://onlinelibrary.wiley.com/doi/10.1002/spp2.70023 Romilio, A., & Runnegar, B. (2026). Earliest Australian dinosaur: ichnofossils from the Carnian Aspley Formation of Brisbane, Queensland, Australia. Alcheringa: An Australasian Journal of Palaeontology, 50(1), 404–415. https://doi.org/10.1080/03115518.2025.2607630 Kevin L. Gomez (2025). “Sauropodan niche partition during the Early Jurassic of Patagonia, Argentina.” Historical Biology, 38(2), 534-547. doi: https://doi.org/10.1080/08912963.2025.2504506 https://www.tandfonline.com/doi/full/10.1080/08912963.2025.2504506 Gomez, K. L. (2026). Sauropodan niche partition during the Early Jurassic of Patagonia, Argentina. Historical Biology, 38(2), 534–547. https://doi.org/10.1080/08912963.2025.2504506 Kevin L. Gomez, José L. Carballido & Diego Pol. (2025) Dental replacement patterns and morphological diversity in lower Jurassic sauropods from the Cañadón Asfalto Basin, Patagonia, Argentina. Journal of Vertebrate Paleontology 45:5. doi: https://doi.org/10.1080/08912963.2025.2504506 https://www.tandfonline.com/doi/full/10.1080/08912963.2025.2504506 Mo Jinyou, Zhou Xiuzhen, Fu Qiongyao, Xiong Duo, Hu Minhang & Xu Xing (2025). “A New Eusauropod Dinosaur from the Lower and Middle Jurassic Wangmen Formation of Ningming County, Guangxi, South China.” ACTA GEOLOGICA SINICA (English edition) 99(4): 909-924. DOI:10.1111/1755-6724.15331 https://www.geojournals.cn/dzxbcn/dzxbcn/article/abstract/2025endzxb04001 Ning Li, Xiaoqin Zhang, Xinxin Ren, Daqing Li & Hailu You (2025). “A new eusauropod (Dinosauria, Sauropodomorpha) from the Middle Jurassic of Gansu, China.” Scientific Reports 15: 17936 https://doi.org/10.1038/s41598-025-03210-5 https://www.nature.com/articles/s41598-025-03210-5 Xiao-Qin Zhang, Ya-Ming Wang, Zhen-Ji Wang, Yan-Chao Wang, Tao Wang, Guo-Fu Wang, Yi Zou, Qi-Xing Dong, Xing Su, Hua Jiang, Yan-Jun Wang & Hai-Lu You (2026). “The first turiasaurian sauropod (Dinosauria: Eusauropoda) from East Asia.” Zoological Journal of the Linnean Society 206(2): zlaf201 doi:  https://doi.org/10.1093/zoolinnean/zlaf201 https://academic.oup.com/zoolinnean/article-abstract/206/2/zlaf201/8456546 Triparna Ghosh, Matthew T. Carrano, Advait M. Jukar, Edward L. Stanley, Krishna Kumar & Sunil Bajpai (2026). “A new turiasaur (Dinosauria, Eusauropoda) specimen from the Middle Jurassic of India.” Journal of Vertebrate Paleontology e2618183. doi: https://doi.org/10.1080/02724634.2026.2618183 https://www.tandfonline.com/doi/full/10.1080/02724634.2026.2618183 D. Cary Woodruff, Paul M. Barrett, Driss Ouarha

    Mon, 27 Jul 2026
  • 88 - Dinosaurs Lately - Stegosaurs (Spring 2026)

    Thanks for tuning into the Dinosaurs Lately podcast, the dinosaur podcast that features periodic updates recapping the latest news on the dinosaurs. This is the podcast that targets a type of dinosaur and tries to catch you up on everything that’s been published on them … lately. The goal is to keep up with all the dinosaurs news, even when I’m not publishing new episodes of the Juras-Sick Park-Cast. If you’re interested in this sort of thing – I hope it helps you feel … up to date. Episode 10 - Stegosaurs (Spring 2026).  (stream it here) Stegosaur news:  Zafaty, O., M. Oukassou, F. Riguetti, J. Company, S. Bendrioua, R. Tabuce, A. Charrière, and X. Pereda-Suberbiola. 2024. A new stegosaurian dinosaur (Ornithischia: Thyreophora) with a remarkable dermal armour from the Middle Jurassic of North Africa. Gondwana Research advance online publication. doi: 10.1016/j.gr.2024.03.009 Omar Ait Haddou, Abdelkbir Hminna, Abdelouahed Lagnaoui, Hendrik Klein, Mohamed Arouch, Mohamed Fergougui, Aziz Rmich & Wahiba Bel Haouz (2026). “New dinosaur tracksites from the Middle-?Late Jurassic of Msemrir (Central High Atlas, Morocco).” Historical Biology (advance online publication). doi: https://doi.org/10.1080/08912963.2025.2596117 https://www.tandfonline.com/doi/full/10.1080/08912963.2025.2596117 Evan T. Saitta, Vincent Bonhomme, Mitchell Lukens, Daniel Vidal, Nicholas R. Longrich, Dean R. Richmond, Maximilian T. Stockdale. The function and Evolution of Stegosaur Osteoderms and Hypothesized Sexual Dimorphism in Hesperosaurus. doi: https://doi.org/10.1101/2025.04.10.648273   Sergio Sánchez-Fenollosa & Alberto Cobos (2025). “New insights into the phylogeny and skull evolution of stegosaurian dinosaurs: An extraordinary cranium from the European Late Jurassic (Dinosauria: Stegosauria).” Vertebrate Zoology 75: 165-189. doi: https://doi.org/10.3897/vz.75.e146618 https://vertebrate-zoology.arphahub.com/article/146618/ Francisco Costa Pinto, Susannah Maidment, Cristina Sequero & Vicente D. Crespo (2025). “Miragaia longicollum MG 4863: New fossil and historical evidence from the most complete stegosaur from Europe.” Comunicações Geológicas 112(I): 35-58. doi: https://doi.org/10.34637/xs1n-3d27 https://repositorio.lneg.pt/entities/publication/97e1df73-0734-45d7-b75d-bf4cf012f252 Kenneth Carpenter (2026). “The smallest known Stegosaurus.” In: Foster et al., 2026, New Developments in the Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 102: 283-285 https://www.researchgate.net/publication/400035283_2026_Carpenter_Smallest_Stegosaurus Rebecca K. Hunt-Foster, D. Cary Woodruff, Steven D. Sroka, and John R. Foster (2026). “The largest reported stegosaurid from the Morrison Formation (Upper Jurassic).” In: Foster et al., 2026, New Developments in the Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 102: 287-292. https://www.researchgate.net/publication/400050523_THE_LARGEST_REPORTED_STEGOSAURID_FROM_THE_MORRISON_FORMATION_UPPER_JURASSIC Costa, Francisco (2026). “Dacentrurine Stegosaurs in North America: New Occurrences from the Upper Jurassic of USA (Morrison Formation).” Diversity 18(3): 143 doi: https://doi.org/10.3390/d18030143https://www.mdpi.com/1424-2818/18/3/143 Sánchez-Fenollosa, Sergio, Escaso, Fernando & Cobos, Alberto (2024). “A new specimen of Dacentrurus armatus Owen, 1875 (Ornithischia: Thyreophora) from the Upper Jurassic of Spain and its taxonomic relevance in the European stegosaurian diversity.” Zoological Journal of the Linnean Society, zlae074. doi: https://doi.org/10.1093/zoolinnean/zlae074 https://academic.oup.com/zoolinnean/advance-article-abstract/doi/10.1093/zoolinnean/zlae074/7696911 Facundo Javier Riguetti, Sebastián Apesteguía, Juan Ignacio Canale & Pablo Ariel Gallina (2026). “New thyreophoran remains with stegosaurian affinities fr

    Sun, 10 May 2026
  • 87 - Dinosaurs Lately - Avialans (Winter 2026) Part 2

    Thanks for tuning into the Dinosaurs Lately podcast, the dinosaur podcast that features periodic updates recapping the latest news on the dinosaurs. This is the podcast that targets a type of dinosaur and tries to catch you up on everything that’s been published on them … lately. The goal is to keep up with all the dinosaurs news, even when I’m not publishing new episodes of the Juras-Sick Park-Cast. If you’re interested in this sort of thing – I hope it helps you feel … up to date. Episode 9 - Avialans (Winter 2026) Parts 1  and 2.  Avialan news:  Jingmai O’Connor (2025). “8. The Origin and Early Evolution of Birds.” In: Scott V. Edwards, and J. Michael Reed (eds), New Perspectives in Ornithology: 21st Century Dispatches across the World of Birds; New York, 2026; online edn, Oxford Academic: 139–168. Evan T Saitta, Lilja Carden, Jonathan S Mitchell & Peter J Makovicky (2025). “Feather Evolution Following Flight Loss In Crown Group Birds: Relaxed Selection And Developmental Constraints.” Evolution, qpaf020. doi:https://doi.org/10.1093/evolut/qpaf020 https://academic.oup.com/evolut/advance-article-abstract/doi/10.1093/evolut/qpaf020/7997201 Takumi Watanabe, Fernando E. Novas, Tatsuya Hirasawa (2026). “Evolution of the Jaw Joint and Middle Ear Morphologies in the Lineage Towards Birds.” Zoological Science 43(1): doi: https://doi.org/10.2108/zs250108 https://bioone.org/journals/zoological-science/volume-43/issue-1/zs250108/Evolution-of-the-Jaw-Joint-and-Middle-Ear-Morphologies-in/10.2108/zs250108.full Wang Min, Wang Xiao-Li, Zheng Xiao-Ting & Zhou Zhong-He (2024). “Cranial anatomy of Anchiornis huxleyi (Theropoda: Paraves) sheds new light on bird skull evolution.” Vertebrata Palasiatica (advance online publication). DOI: 10.19615/j.cnki.2096-9899.241225 https://www.researchgate.net/publication/387743760_Cranial_anatomy_of_Anchiornis_huxleyi_Theropoda_Paraves_sheds_new_light_on_bird_skull_evolution Yosef Kiat, Xiaoli Wang, Xiaoting Zheng, Yan Wang & Jingmai O’Connor (2025). “Wing morphology of Anchiornis huxleyi and the evolution of molt strategies in paravian dinosaurs.” Communications Biology 8: 1633 doi: https://doi.org/10.1038/s42003-025-09019-2 https://www.nature.com/articles/s42003-025-09019-2 Runsheng Chen, Min Wang, Liping Dong, Guowu Zhou, Xing Xu, Ke Deng, Liming Xu, Chi Zhang, Linchang. Wang, Honggang Du, Ganmin Lin, Min Lin & Zhonghe Zhou (2025). “Earliest short-tailed bird from the Late Jurassic of China.” Nature 638(8050): 441–448. doi: https://doi.org/10.1038/s41586-024-08410-z https://www.nature.com/articles/s41586-024-08410-z Jingmai K. O’Connor, Alexander D. Clark, Pei-Chen Kuo, Min Wang, Akiko Shinya, Constance Van Beek & Huali Chang (2025). “Avian features of Archaeopteryx feeding apparatus reflect elevated demands of flight.” The Innovation (advance online publication). DOI: https://doi.org/10.1016/j.xinn.2025.101086 https://www.sciencedirect.com/science/article/pii/S2666675825002899 Jingmai O’Connor, Alexander Clark, Pei-Chen Kuo, Yosef Kiat, Matteo Fabbri, Akiko Shinya, Constance Van Beek, Jing Lu, Min Wang & Han Hu (2025). “Chicago Archaeopteryx informs on the early evolution of the avian bauplan.” Nature (advance online publication). doi: https://doi.org/10.1038/s41586-025-08912-4 https://www.nature.com/articles/s41586-025-08912-4 Shaoyuan Wu, Ziqi Tao, Liang Liu, Charles R Marshall, Scott V Edwards, Zhonghe Zhou & Frank E Rheindt (2025). “New Fossils Imply a Deeper Origin of Modern Birds in the Mesozoic.” National Science Review, nwaf238. doi: https://doi.org/10.1093/nsr/nwaf238 https://academic.oup.com/nsr/advance-article/doi/10.1093/nsr/nwaf238/8158921 Sergio M. Nebreda, Luis M. Chiappe, Guillermo Navalón, Javier C. Terol, Francisco J. Serrano, Ángela D. Buscalioni & Jesús Marugán-Lobón (2026). “An isolated skull from Las Hoyas (Early Cretaceous, Spain) informs the early evolution towards elongated rostra in enantiornithine birds (Aves, Or

    Mon, 16 Mar 2026
  • 86 - Dinosaurs Lately - Avialans (Winter 2026) Part 1

    Thanks for tuning into the Dinosaurs Lately podcast, the dinosaur podcast that features periodic updates recapping the latest news on the dinosaurs. This is the podcast that targets a type of dinosaur and tries to catch you up on everything that’s been published on them … lately. The goal is to keep up with all the dinosaurs news, even when I’m not publishing new episodes of the Juras-Sick Park-Cast. If you’re interested in this sort of thing – I hope it helps you feel … up to date. Episode 9 - Avialans (Winter 2026) Parts 1  and 2.  Avialan news:  Jingmai O’Connor (2025). “8. The Origin and Early Evolution of Birds.” In: Scott V. Edwards, and J. Michael Reed (eds), New Perspectives in Ornithology: 21st Century Dispatches across the World of Birds; New York, 2026; online edn, Oxford Academic: 139–168. Evan T Saitta, Lilja Carden, Jonathan S Mitchell & Peter J Makovicky (2025). “Feather Evolution Following Flight Loss In Crown Group Birds: Relaxed Selection And Developmental Constraints.” Evolution, qpaf020. doi:https://doi.org/10.1093/evolut/qpaf020 https://academic.oup.com/evolut/advance-article-abstract/doi/10.1093/evolut/qpaf020/7997201 Takumi Watanabe, Fernando E. Novas, Tatsuya Hirasawa (2026). “Evolution of the Jaw Joint and Middle Ear Morphologies in the Lineage Towards Birds.” Zoological Science 43(1): doi: https://doi.org/10.2108/zs250108 https://bioone.org/journals/zoological-science/volume-43/issue-1/zs250108/Evolution-of-the-Jaw-Joint-and-Middle-Ear-Morphologies-in/10.2108/zs250108.full Wang Min, Wang Xiao-Li, Zheng Xiao-Ting & Zhou Zhong-He (2024). “Cranial anatomy of Anchiornis huxleyi (Theropoda: Paraves) sheds new light on bird skull evolution.” Vertebrata Palasiatica (advance online publication). DOI: 10.19615/j.cnki.2096-9899.241225 https://www.researchgate.net/publication/387743760_Cranial_anatomy_of_Anchiornis_huxleyi_Theropoda_Paraves_sheds_new_light_on_bird_skull_evolution Yosef Kiat, Xiaoli Wang, Xiaoting Zheng, Yan Wang & Jingmai O’Connor (2025). “Wing morphology of Anchiornis huxleyi and the evolution of molt strategies in paravian dinosaurs.” Communications Biology 8: 1633 doi: https://doi.org/10.1038/s42003-025-09019-2 https://www.nature.com/articles/s42003-025-09019-2 Runsheng Chen, Min Wang, Liping Dong, Guowu Zhou, Xing Xu, Ke Deng, Liming Xu, Chi Zhang, Linchang. Wang, Honggang Du, Ganmin Lin, Min Lin & Zhonghe Zhou (2025). “Earliest short-tailed bird from the Late Jurassic of China.” Nature 638(8050): 441–448. doi: https://doi.org/10.1038/s41586-024-08410-z https://www.nature.com/articles/s41586-024-08410-z Jingmai K. O’Connor, Alexander D. Clark, Pei-Chen Kuo, Min Wang, Akiko Shinya, Constance Van Beek & Huali Chang (2025). “Avian features of Archaeopteryx feeding apparatus reflect elevated demands of flight.” The Innovation (advance online publication). DOI: https://doi.org/10.1016/j.xinn.2025.101086 https://www.sciencedirect.com/science/article/pii/S2666675825002899 Jingmai O’Connor, Alexander Clark, Pei-Chen Kuo, Yosef Kiat, Matteo Fabbri, Akiko Shinya, Constance Van Beek, Jing Lu, Min Wang & Han Hu (2025). “Chicago Archaeopteryx informs on the early evolution of the avian bauplan.” Nature (advance online publication). doi: https://doi.org/10.1038/s41586-025-08912-4 https://www.nature.com/articles/s41586-025-08912-4 Shaoyuan Wu, Ziqi Tao, Liang Liu, Charles R Marshall, Scott V Edwards, Zhonghe Zhou & Frank E Rheindt (2025). “New Fossils Imply a Deeper Origin of Modern Birds in the Mesozoic.” National Science Review, nwaf238. doi: https://doi.org/10.1093/nsr/nwaf238 https://academic.oup.com/nsr/advance-article/doi/10.1093/nsr/nwaf238/8158921 Sergio M. Nebreda, Luis M. Chiappe, Guillermo Navalón, Javier C. Terol, Francisco J. Serrano, Ángela D. Buscalioni & Jesús Marugán-Lobón (2026). “An isolated skull from Las Hoyas (Early Cretaceous, Spain) informs the early evolution towards elongated rostra in enantiornithine birds (Aves, Orni

    Mon, 16 Mar 2026
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