Journal of Systematic Palaeontology

@journalsystpal.bsky.social

Publishing research that uses systematics to advance palaeontology ๐Ÿ“ƒOur papers: https://www.tandfonline.com/journals/tjsp20 ๐Ÿ›๏ธWe're based at the Natural History Museum, London: https://www.nhm.ac.uk/business-services/publishing/Journals

The evolution of a morphological novelty: exceptional skeleton of an early Eocene trogon (Aves: Trogoniformes) elucidates the origin of a unique foot morphology, by Gerald Mayr: buff.ly/f9YbUJM ๐˜ฟ๐™–๐™ฃ๐™ž๐™–๐™ฉ๐™ง๐™ค๐™œ๐™ค๐™ฃ ๐™ ๐™ค๐™˜๐™๐™ž gen. et sp. nov., based on a nearly complete skeleton #PaleoSky #fossilbirds #Ypresian

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For #FossilFriday.. the teeth and gill filaments of ๐™Ž๐™–๐™ช๐™ง๐™ค๐™ฅ๐™จ๐™ž๐™จ ๐™ก๐™ค๐™ฃ๐™œ๐™ž๐™ข๐™–๐™ฃ๐™–. Redescription of ๐™Ž๐™–๐™ช๐™ง๐™ค๐™ฅ๐™จ๐™ž๐™จ ๐™ก๐™ค๐™ฃ๐™œ๐™ž๐™ข๐™–๐™ฃ๐™– Agassiz, 1843 from the Upper Jurassic Solnhofen Archipelago (Tithonian, Germany) and the taxonomic diversity of ๐™Ž๐™–๐™ช๐™ง๐™ค๐™ฅ๐™จ๐™ž๐™จ Agassiz, 1832. Cooper & Maxwell (2026): buff.ly/BcryfRQ #PalaeoSky

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New study out - Fabbrini ๐˜ฆ๐˜ต ๐˜ข๐˜ญ. used biometry, optical microscopy and SEM, to investigate morphological variability in ๐™Ž๐™ฅ๐™๐™–๐™š๐™ง๐™ค๐™ž๐™™๐™ž๐™ฃ๐™š๐™ก๐™ก๐™– and ๐™Ž๐™ฅ๐™๐™–๐™š๐™ง๐™ค๐™ž๐™™๐™ž๐™ฃ๐™š๐™ก๐™ก๐™ค๐™ฅ๐™จ๐™ž๐™จ from the late Miocene to Pleistocene, sampling IODP Sites in the West Pacific warm pool and NW Australian margin: buff.ly/qh8jK8A #PaleoSky

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Liao ๐˜ฆ๐˜ต ๐˜ข๐˜ญ. report a new therizinosaur from the Early Cretaceous Jehol Biota and ecomorphological patterns among early therizinosaurians ๐Ÿ”— buff.ly/AhVUhYk The nearly complete juvenile specimen from western Liaoning has been named ๐™†๐™–๐™ฎ๐™ง๐™–๐™จ๐™–๐™ช๐™ง๐™ช๐™จ ๐™˜๐™๐™–๐™ฃ๐™œ๐™ก๐™ž๐™š๐™ฃ๐™จ๐™ž๐™จ #FossilFriday #PaleoSky #maniraptoran

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The next in our series of Perspectives on the Systematics of Fossil Organisms: ๐™‡๐™š๐™ฅ๐™ž๐™™๐™ค๐™จ๐™–๐™ช๐™ง๐™ž๐™–: ๐™๐™ž๐™จ๐™ฉ๐™ค๐™ง๐™ฎ ๐™–๐™ฃ๐™™ ๐™ง๐™š๐™ก๐™–๐™ฉ๐™ž๐™ค๐™ฃ๐™จ๐™๐™ž๐™ฅ๐™จ ๐™—๐™ฎ ๐™Ž๐™ช๐™จ๐™–๐™ฃ ๐™€. ๐™€๐™ซ๐™–๐™ฃ๐™จ Tuatara, lizards and snakes all trace back to a division in Lepidosaurs lineages ~240 million years ago. Read here: buff.ly/OXONAk5 #PalaeoSky #fossil

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For #FossilFriday - the spectacular fibular osteohistology of ๐™ˆ๐™ช๐™จ๐™–๐™ฃ๐™œ๐™ค ๐™ข๐™–๐™ฉ๐™ช๐™จ๐™–๐™™๐™ค๐™ฃ๐™–๐™š๐™ฃ๐™จ๐™ž๐™จ, a new sauropodomorph dinosaur from the Pebbly Arkose Formation (Upper Triassic: Norian) of Kariba, Zimbabwe, by Barrett et al. (2026). Read here: buff.ly/eGGZESA #PaleoSky #Dinosauria #Sauropodomorpha

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For #FossilFriday ... The premaxillary teeth (1-5) of ๐™‹๐™ก๐™–๐™ฉ๐™š๐™ค๐™จ๐™–๐™ช๐™ง๐™ช๐™จ ๐™ฉ๐™ง๐™ค๐™จ๐™จ๐™ž๐™ฃ๐™œ๐™š๐™ฃ๐™จ๐™ž๐™จ (Dinosauria: Sauropodomorpha) from the Upper Triassic of SW Germany from Schaeffer (2024). Read the full study here: buff.ly/oMJwb3E #PaleoSky #Dinosauria #osteology #Plateosaurus #Sauropodomorpha

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New paper out! Astrop reports a new pygocephalomorph crustacean from the Brymbo Fossil Forest (Moscovian), North Wales, UK with a reassessment of the genus ๐™‹๐™ฎ๐™œ๐™ค๐™˜๐™š๐™ฅ๐™๐™–๐™ก๐™ช๐™จ: buff.ly/mKNWzUJ This study describes ๐™‹๐™ฎ๐™œ๐™ค๐™˜๐™š๐™ฅ๐™๐™–๐™ก๐™ช๐™จ ๐™—๐™ง๐™ฎ๐™ข๐™—๐™ค๐™š๐™ฃ๐™จ๐™ž๐™จ sp. nov. and reviews the taxonomic history of the genera #PaleoSky

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For #FossilFriday - the skull of ๐™Š๐™ค๐™™๐™š๐™˜๐™ฉ๐™š๐™จ ๐™๐™š๐™ง๐™ฅ๐™š๐™จ๐™ฉ๐™ค๐™ž๐™™๐™š From the phylogeny of the carnivora: Basal relationships among the carnivoramorphans, and assessment of the position of โ€˜miacoideaโ€™ relative to carnivora by Wesleyโ€Hunt & Flynn (2005). Read the full study here: buff.ly/JiHMkNQ #PaleoSky #skull

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๐Ÿฌ Lambert ๐˜ฆ๐˜ต ๐˜ข๐˜ญ. report a new species of ๐™ˆ๐™ž๐™ข๐™ž๐™ฃ๐™ž๐™–๐™˜๐™š๐™ฉ๐™ช๐™จ from the Middle Miocene of Peru: buff.ly/qeky7Pc A beautifully preserved skull from the Pisco Formation reveals a new large delphinidan: ๐™ˆ๐™ž๐™ข๐™ž๐™ฃ๐™ž๐™–๐™˜๐™š๐™ฉ๐™ช๐™จ ๐™—๐™–๐™ง๐™ง๐™–๐™ฃ๐™˜๐™–๐™ž, with a similar cranium to the modern beluga- ๐˜ฟ๐™š๐™ก๐™ฅ๐™๐™ž๐™ฃ๐™–๐™ฅ๐™ฉ๐™š๐™ง๐™ช๐™จ ๐™ก๐™š๐™ช๐™˜๐™–๐™จ #PaleoSky

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New paper out in JSP! Barrett ๐˜ฆ๐˜ต ๐˜ข๐˜ญ. report a new sauropodomorph dinosaur from the Pebbly Arkose Formation (Upper Triassic: Norian) of Kariba, Zimbabwe: ๐™ˆ๐™ช๐™จ๐™–๐™ฃ๐™œ๐™ค ๐™ข๐™–๐™ฉ๐™ช๐™จ๐™–๐™™๐™ค๐™ฃ๐™–๐™š๐™ฃ๐™จ๐™ž๐™จ buff.ly/1jFjasf ๐Ÿฆ• A partial skeleton with distinctive features to ๐™ˆ๐™ช๐™จ๐™–๐™ฃ๐™ ๐™ฌ๐™– ๐™จ๐™–๐™ฃ๐™ฎ๐™–๐™ฉ๐™ž๐™š๐™ฃ๐™จ๐™ž๐™จ. #PaleoSky #Dinosaur #Musango

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New paper out in the Journal of Systematic Palaeontology! Weiss ๐˜ฆ๐˜ต ๐˜ข๐˜ญ. present a revised anatomical and osteohistological study of the early crocodyliform โ€˜๐™€๐™ง๐™ฎ๐™ฉ๐™๐™ง๐™ค๐™˜๐™๐™–๐™ข๐™ฅ๐™จ๐™–โ€™ ๐™ก๐™ค๐™ฃ๐™œ๐™ž๐™ฅ๐™š๐™จ, one of South Africaโ€™s first described crocodyliform taxa: buff.ly/qrcPQ05 #PaleoSky #Crocodylomorpha #Jurassic

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Holotype of ๐˜พ๐™๐™–๐™ค๐™ฎ๐™–๐™ฃ๐™œ๐™ž๐™– ๐™—๐™š๐™ž๐™จ๐™๐™–๐™ฃ๐™š๐™ฃ๐™จ๐™ž๐™จ from: A redescription of ๐˜พ๐™๐™–๐™ค๐™ฎ๐™–๐™ฃ๐™œ๐™ž๐™– ๐™—๐™š๐™ž๐™จ๐™๐™–๐™ฃ๐™š๐™ฃ๐™จ๐™ž๐™จ (Aves) and a comprehensive phylogeny of Mesozoic birds by Oโ€™Connor & Zhou (2013) buff.ly/tb8BOJe #Paleosky #PaleobirdNerd buff.ly/2S8vjc0 #FossilFriday

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