Did you know..? Today more species of frogs exist than mammals 🐸 Frogs have been evolving and diversifying for over 250 million years! Hop on over to JSP to find out about a slightly younger (100 million year old) ancient frog: buff.ly/uZx2JCe #Paleosky #FunFact #MindBlown

Batocara tuberosus sp. nov. Wei. from the lower Rhuddanian Lungmachi Formation of Zhenxiong, South China. Read about the earliest known recovery trilobites following the Late Ordovician mass extinction (LOME) and their ecological distribution buff.ly/WArP5V9 #Fossils #NHM #PaleoSky #FossilFriday

New paper out! Sobral 𝘦𝘵 𝘢𝘭. report new stem lepidosaurs from Vellberg, Germany: implications for palaeoecology in the early diversification of Lepidosauromorpha. Lepidosauromorphs account for ~1/3 of land vertebrate diversity, but their origin is unclear: buff.ly/HyJ33VW #PaleoSky

Meet our brilliant team of Associate Editors! 𝐃𝐫. 𝐉𝐞𝐧 𝐎𝐥𝐨𝐫𝐢 from SUNY Oswego (New York, USA) specializes in the paleobiology of the tiny: particularly the diversification of amphibians, lizards and snakes🦎 Find out more about her fascinating research: buff.ly/Ic1Vd7D buff.ly/Pv6kIMq #PaleoSky

New paper out in JSP! 🦖 Mayer et al. report a new titanosauriform from the Early Cretaceous of Brazil: 𝘿𝙖𝙨𝙤𝙨𝙖𝙪𝙧𝙪𝙨 𝙩𝙤𝙘𝙖𝙣𝙩𝙞𝙣𝙚𝙣𝙨𝙞𝙨, expanding the known diversity of Early Cretaceous sauropods in South America and suggesting the clade had a European origin! Read more here: buff.ly/HyJ33VW #PalaeoSky

#FossilFriday Gale & Vidovic (2023) look at the taxonomy of Cretaceous cirripedes, showing that the fossil record for key segments of cirripede evolution is remarkably complete. Read the full study on the origins of major sessile cirripede groups: buff.ly/LIYY9wD #PaleoSky

Did you know..? Although extant rhinoceroses have nasal horns (or two), most extinct species did not! Keratinous horns are not preserved in fossils, but some extinct species are known to have them from the presence of rugosities on the nasal bone. Read more: buff.ly/qICv55H #PaleoSky #FunFact

Happy valentines day! 💕 Here is an amorous pair of 44‑million‑year‑old mites in Baltic amber, revealing some remarkable prehistoric mating behaviour. Sidorchuk & Klimov (2011) redescribed 𝙂𝙡𝙖𝙚𝙨𝙖𝙘𝙖𝙧𝙪𝙨 𝙧𝙝𝙤𝙢𝙗𝙚𝙪𝙨 and found evidence of female controlled mating. Read the study: buff.ly/ykucLJd #PaleoSky

A beautiful loveniid heart urchin For #FossilFriday and #ValentinesDay Did you know, their etymology is not actually rooted in their heart shape. Loveniids are named after Sven Ludvig Lovén (1809–1895), the Swedish echinoderm specialist. Read more with Koch (2007): buff.ly/e13Mi1b #PaleoSky

Today is the birthday of the great 𝐂𝐡𝐚𝐫𝐥𝐞𝐬 𝐃𝐚𝐫𝐰𝐢𝐧- born 𝟏𝟐 𝐅𝐞𝐛𝐫𝐮𝐚𝐫𝐲 𝟏𝟖𝟎𝟗 Darwin collected a large number of fossils, which were later studied by Richard Owen and colleagues, revealing patterns of fossil succession and therefore, evolutionary change through deep time. Happy Darwin Day! #PaleoSky

Meet our team of Associate Editors! 𝐃𝐫 𝐉é𝐫é𝐦𝐲 𝐓𝐢𝐬𝐬𝐢𝐞𝐫 (Royal Belgian Institute of Natural Sciences) specializes in the evolution of perissodactyl mammals - odd-toed ungulates. Only 17 species survive today including horses, zebras, tapirs and rhinos! Find out more here: buff.ly/k8Og4RL #PaleoSky

Did you know..? Horned dinosaur frills were primarily used for sociosexual signalling and are the main feature used by systematists to determine evolutionary interrelationships. Read about the Arctic ceratopsid dinosaur 𝙋𝙖𝙘𝙝𝙮𝙧𝙝𝙞𝙣𝙤𝙨𝙖𝙪𝙧𝙪𝙨 𝙥𝙚𝙧𝙤𝙩𝙤𝙧𝙪𝙢: buff.ly/MF9Fkjy #PaleoSky #FunFact #MindBlown

Keep up to date with all our latest publications and other exciting news! Follow us on LinkedIn and now on.... Instagram! buff.ly/i2tMXPH buff.ly/EJz1w8I #JSP #NHM

Dudgeon 𝘦𝘵 𝘢𝘭. reported the individual, ontogenetic and phylogenetic variation in the dentition of hadrosaurids (Iguanodontia: Ornithischia). Image shows the dentary teeth of 𝘉𝘳𝘢𝘤𝘩𝘺𝘭𝘰𝘱𝘩𝘰𝘴𝘢𝘶𝘳𝘶𝘴 𝘤𝘢𝘯𝘢𝘥𝘦𝘯𝘴𝘪𝘴, 𝘊𝘰𝘳𝘺𝘵𝘩𝘰𝘴𝘢𝘶𝘳𝘶𝘴 𝘤𝘢𝘴𝘶𝘢𝘳𝘪𝘶𝘴 and 𝘉𝘢𝘤𝘵𝘳𝘰𝘴𝘢𝘶𝘳𝘶𝘴 𝘫𝘰𝘩𝘯𝘴𝘵𝘰𝘯𝘪. buff.ly/D7z6HM2 #FossilFriday #PaleoSky

Meet our brilliant Associate Editors! 𝐃𝐫. 𝐉𝐨𝐫𝐝𝐚𝐧 𝐌𝐚𝐥𝐥𝐨𝐧 (Canadian Museum of Nature) specializes in ceratopsian evolution and dinosaur ecology, focusing on the factors that influenced dinosaur diversity leading up to the end-Cretaceous mass extinction. Read more here: buff.ly/Zl9ygKJ #PaleoSky

New paper! Guillaume 𝘦𝘵 𝘢𝘭. report a new albanerpetontid (Lissamphibia) from the Late Jurassic of Portugal, based on 468 bones from the Kimmeridgian-Tithonian Lourinhã Formation, together with thousands of remains from the Guimarota beds (Alcobaça Formation). Read here: buff.ly/WWNHGgf #PaleoSky

Join us in Upsala Sweden for BioSyst EU, 17th–19th August 2026 - A three-day conference celebrating European systematics and biodiversity research at its origin. Look out for an imminent official announcement and call for symposia buff.ly/PCtmZzC #BioSystEU2026 #Systematics #Biodiversity

Did you know..? Reptiles underwent massive evolutionary radiation at the Dawn of the Age of Reptiles🐊🐢🦎 So, all major reptile groups and their innovations (e.g. feathers or turtle shells) trace back to the Triassic. Leardi et al.: buff.ly/hRBCfDL @stephanspiekman.bsky.social #FunFact #PaleoSky

Its #FossilFriday ! Aria and Caron (2024) reported the deep origin of articulation strategies in panarthropods: evidence from a new luolishaniid lobopodian (Panarthropoda) from the Tulip Beds, Burgess Shale. Read the study here: buff.ly/BJazJ5G #PaleoSky #PaleoArt #NewSpecies #Fossils #Cambrian

Meet our brilliant team of Associate Editors! 𝐃𝐫 𝐒𝐭𝐞𝐩𝐡𝐚𝐧 𝐒𝐩𝐢𝐞𝐤𝐦𝐚𝐧 (Museum of Natural History Stuttgart) is a specialist in Triassic reptile evolution, using comparative anatomy, functional morphology, histology and phylogeny. Read more: buff.ly/UYmwXjr @stephanspiekman.bsky.social #Paleosky

Biodiversity loss is systematic and predictable. The Goldilocks Hypothesis suggests that extinction risk is lowest in mid‑sized species sitting in a “Goldilocks zone” of lower risk. Read about trait‑based selectivity patterns: buff.ly/JrzQYaY #TaxonomyTuesday #extinction #GoldilocksHypothesis

New paper out in JSP! Xu et al. report the first fossil true cricket (Grylloidea, †Baissogryllidae) from the Middle Jurassic of north-western China and its systematic implications, based on exquisite forewing fossils. Read the full study here: buff.ly/Vq5GO02 #PaleoSky #FossilsFriday #MindBlown

Please join us for the 12th European Conference on Echinoderms, which will be held at University College London from Monday 13th July to Friday 17th July 2026. The deadline for submitting an abstract is Monday 2nd February 2026. www.euroechino.net

𝐇𝐚𝐩𝐩𝐲 𝐧𝐞𝐰 𝐲𝐞𝐚𝐫 from us at JSP ✨Wishing you all a great 2026✨ Throwback to our most read paper of 2025 by Díaz 𝘦𝘵 𝘢𝘭.: Revision of Romanian sauropod dinosaurs reveals high titanosaur diversity and body-size disparity on the latest Cretaceous Haţeg Island 🦕 Read it here: buff.ly/Tb2uiiN #PaleoSky

New study out in JSP! Vento 𝘦𝘵 𝘢𝘭. report the integrative phylogeny of extinct and extant Andean subgenus 𝙉𝙤𝙩𝙝𝙤𝙛𝙖𝙜𝙪𝙨 (str.) trees 🍃 Results highlight the importance of leaf morphology when analysing extinct and extant species together: buff.ly/QhNWFTS #PaleoSky #PaleoBotany #TaxonomyTuesday

Skull remains of a post-hatchling rhynchosaur from the Brazilian Triassic 🐊 Photograph of the specimen in left lateral view (shown in A) with preserved bones and the impression of the region of the infratemporal fenestra. Morais 𝘦𝘵 𝘢𝘭. (2025): buff.ly/TiOKeyh #FossilFriday #PaleoSky

New paper in JSP! A post-hatchling rhynchosaur from the Brazilian Triassic and the ontogenetic development of key characters within Hyperodapedontinae by Morais 𝘦𝘵 𝘢𝘭. (2025) Read the full study here: buff.ly/TiOKeyh #PaleoSky

New study! 🐾 The enigmatic ailurid 𝙈𝙖𝙜𝙚𝙧𝙞𝙘𝙩𝙞𝙨 𝙞𝙢𝙥𝙚𝙧𝙞𝙖𝙡𝙚𝙣𝙨𝙞𝙨 (Mammalia: Carnivora) unveiled: a systematic approach to the early Ailuridae Morales 𝘦𝘵 𝘢𝘭. describe an extinct ailurid species & propose a systematic revision of Holartic musteloids. Read here: buff.ly/5IHhpz3 #PaleoSky #RedPanda

New study out in Systematics and Biodiversity 🐌 Bharate 𝘦𝘵 𝘢𝘭. report the diversity and molecular phylogeny of Indo-West Pacific rock dwelling 𝙎𝙢𝙖𝙧𝙖𝙜𝙙𝙞𝙣𝙚𝙡𝙡𝙖 snails (Cephalaspidea, Haminoeidae). Read the full study here: buff.ly/Wj5HpPb #Snails #malacology #taxonomy #systematics #biodiversity

New paper! Buffa 𝘦𝘵 𝘢𝘭. (2025) redescribe the anatomy of the enigmatic stem-reptile 𝙂𝙖𝙡𝙚𝙨𝙥𝙝𝙮𝙧𝙪𝙨 𝙘𝙖𝙥𝙚𝙣𝙨𝙞𝙨 from the Permian of South Africa and the origin of Neodiapsida 🦎 Phylogenetic analysis of the relationships of Permian reptiles. Read the study here: buff.ly/62lJG0W #FossilFriday #PaleoSky

We have been a bit quiet (sorry about that).. Catching up on work and life after #PalAss2025 at #PortsmouthUni 🦖 So many great talks and posters! It was brilliant, thank you so much #ThePalAss, Dr Nic Minter and all the other organisers! #PaleoSky

We are having lots of fun at PalAss 2025 in Portsmouth, with lots of great talks and poster presentations so far! If you are here come and find our table and say hello! #PalAss2025 #PortsmouthUni #PaleoSky

We are excited for the #PalAss meeting in Portsmouth this weekend Some of the team will be there, including our EiC Dr Imran Rahman, so when you see our table, come and find out about the Journal of Systematic Palaeontology.. See you there! @imranrahman.bsky.social #PalAss2025 #PaleoSky

To celebrate the 85th SVP Meeting 2025, we've assembled an open access collection of landmark JSP vertebrate palaeontology papers. The final study to highlight is.. A comprehensive phylogenetic analysis on early ornithischian evolution by Fonesca et al. buff.ly/s2m2XIF #PaleoSky #2025SVP

To celebrate the 85th SVP Meeting 2025, we've assembled an open access collection of landmark JSP vertebrate palaeontology papers. The penultimate paper by Zack (2018), looks at the clade Machaeroidinae, comprising mammalian sabre-toothed carnivores. Read here: buff.ly/bni3lGP #PaleoSky #2025SVP

To celebrate the 85th SVP Meeting 2025, we've assembled an open access collection of landmark JSP vertebrate palaeontology papers. Next: 'The higher-level phylogeny of Archosauria (Tetrapoda: Diapsida)' by Brusatte et al. buff.ly/Gs8wKDO - a primary division of the vertebrate tree of life #PaleoSky

New paper in JSP! Müller 𝘦𝘵 𝘢𝘭. describe 𝙏𝙖𝙞𝙣𝙧𝙖𝙠𝙪𝙖𝙨𝙪𝙘𝙝𝙪𝙨 𝙗𝙚𝙡𝙡𝙖𝙩𝙤𝙧 gen. et sp. nov. in 'Osteology, taxonomy and phylogenetic affinities of a new pseudosuchian archosaur from the Middle Triassic of southern Brazil.' Read more here: buff.ly/Kxti2jj #PaleoSky #NewSpecies

To celebrate the 85th SVP Meeting 2025, we've assembled an open access collection of landmark vertebrate palaeontology papers. Next highlight: Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs by Arbour & Currie (2015): buff.ly/vJN0Ygi #PaleoSky #2025SVP #FossilFriday

In honour of the 85th SVP Meeting 2025, we've assembled an open access collection of landmark vertebrate palaeontology papers. Next: Phylogeny of the Notoungulata (Mammalia) based on cranial and dental characters by Guillaume Billet (2011) buff.ly/ZORpqsx @guillbi.bsky.social #PaleoSky #2025SVP

To celebrate the 85th SVP Meeting 2025, we've curated a special open access collection of landmark vertebrate palaeontology papers. Next: The phylogeny of Tetanurae (Dinosauria: Theropoda) by Carrano et al. (2012) buff.ly/VSK0N4L 🦖 #Paleosky #2025SVP buff.ly/UQPdv6k buff.ly/T746Dv3 #DrScott

To celebrate the 85th SVP Meeting 2025, we've curated a special open access collection of landmark vertebrate palaeontology papers. Next highlight: Phylogenetic relationships of procolophonid parareptiles with remarks on their geological record 🦎 Cisneros (2008) buff.ly/kaZ20P1 #PaleoSky #2025SVP

To celebrate the 85th SVP Meeting 2025, we've curated a collection of landmark vertebrate palaeontology papers. Next, #FossilFish 🐟 Osteology of 𝘌𝘶𝘣𝘪𝘰𝘥𝘦𝘤𝘵𝘦𝘴 𝘭𝘪𝘣𝘢𝘯𝘪𝘤𝘶𝘴 (Pictet & Humbert, 1866) and some other ichthyodectiformes (Teleostei) by Cavin 𝘦𝘵 𝘢𝘭. (2012) buff.ly/FudDOqF #2025SVP #PaleoSky

To mark the 85th Annual SVP Meeting 2025, we've curated an open access collection of landmark JSP papers presenting comprehensive systematic frameworks. Next: the phylogeny of the Carnivoramorpha: The impact of postcranial characters by Spaulding & Flynn (2012) buff.ly/YNaD7IH #PaleoSky #2025SVP

To mark the 85th Annual SVP Meeting 2025, we've curated an open access collection of landmark vertebrate palaeontology papers. Next up.. 🐸 Dates, nodes and character conflict: Addressing the Lissamphibian origin problem by Ruta & Coates (2007) 🦎 buff.ly/VnuPdEH #PaleoSky #2025SVP #Frogs #Amphibian

For the 85th SVP Meeting 2025, we've assembled a collection of landmark vertebrate palaeontology papers. Next: The phylogenetic relationships and evolutionary history of armoured dinosaurs (Ornithischia). Raven 𝘦𝘵 𝘢𝘭. (2023) buff.ly/aEn5huc @profpaulbarrett.bsky.social @tweetisaurus.bsky.social

In honour of the 85th Annual SVP Meeting 2025, we've assembled an open access collection of landmark JSP vertebrate palaeontology papers. Next up: The evolution of major temnospondyl clades: an inclusive phylogenetic analysis by Schoch (2013) buff.ly/bvDDKsJ #PaleoSky #2025SVP #SVP2025 #tetrapod

To mark the 85th Annual SVP Meeting 2025, we've curated a special open access collection. Next up is jawless vertebrates: Phylogeny, classification and character polarity of the Osteostraci (Vertebrata) by Sansom (2009) buff.ly/M6bXNzx #2025SVP #PaleoSky @fossilrob.bsky.social #FossilFish #SVP2025

To mark the 85th SVP Meeting #2025SVP we've assembled a collection of landmark JSP vertebrate palaeontology papers. Next: Systematics and phylogeny of Stegosauria (Dinosauria: Ornithischia) doi.org/10.1017/S147... #PaleoSky #FossilFriday @tweetisaurus.bsky.social @profpaulbarrett.bsky.social

New paper out in JSP! 𝐄𝐧𝐭𝐞𝐫 𝐭𝐡𝐞 𝐝𝐫𝐚𝐠𝐨𝐧𝐬: the phylogeny of Azhdarchoidea (Pterosauria: Pterodactyloidea) and the evolution of giant size in pterosaurs by Thomas & McDavid (2025) buff.ly/j9OujIm #PaleoSky #Dragons #Pterosaurs #2025SVP buff.ly/3w48C05 @zhejiang0pterus.bsky.social @skyemcdavid.com

To celebrate the 85th Annual SVP Meeting #2025SVP, we’ve curated a special open access collection of landmark JSP studies from the past two decades. Next up,.. Systematics of the Anteosauria (Therapsida: Dinocephalia) by Kammerer (2011) buff.ly/XF2oUgj #PaleoSky #2025SVP #SVP2025 #predator