Miyazato et al have revealed, via μ-CT scans of Belonostomus longirostris skulls from Alberta, fused cranial bones, hidden sensory canals, and features that challenge its placement in Teleostei—reshaping views on aspidorhynchid evolution. anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

Start out 2026 with a manuscript by Sahni, tracing how vertebrate paleontology in India rebounded—reshaping ideas on dinosaurs, whale evolution, the India–Asia collision, and migration. A fascinating journey through science, history & discovery! anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

Happy New Year from the AR family! Please enjoy our top 9 article posts from 2025. 1. Dunkelosteus 2. Seeleyosaurus 3. Trucidocynodon 4. Special Issue on paleohistology of pseudosuchians 5. Megantereon 6. Falcarius 7. Basking sharks 8. Dinodontosaurus 9. Opossums

New study of green iguana (Iguana iguana) reveals notable cranial & axial skeletal variation, including skull shape, atlas neural spine, rib count & 7 caudal vertebra morphotypes—challenging traditional view of uniform tail pattern 🦎Rosa et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦖 New histo study on theropod Berthasaura reveals slow growth, periodic LAGs, subadult status & strong inter-element variability—highlighting biases of single-bone age/metabolic inferences & importance of multi-element sampling Alves de Souza et al anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦈New SEM study on Carcharhiniformes shark dentition reveals heterodonty and crown variation across families. High-resolution data highlight diagnostic traits & show heterodonty drives diversity of the most speciose shark order Zanini & Soares: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

A first-of-its-kind study of lip microanatomy in 15 primates finds humans stand out: a curved rbicularis oris muscle, separate labial tractors, & fat-rich lips that may enhance fine motor control & support speech evolution Rotenstreich et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

DiceCT lets us study muscles in 3D w/o dissection, but manual segmentation is slow & subjective. Testing XFiber + GoodFibes across 8 mammals shows XFiber matches manual results w/far less effort—promising for comparative muscle studies. Ratkiewicz et al.: doi.org/10.1002/ar.7...

Softshell turtle evolution is hard to decode. New analyses of 312 specimens show filtering rare & growth-related variation improves phylogeny—but some branches remain fuzzy. Molecular or total-evidence frameworks still needed🐢 Girard & Joyce: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦭A new study by Nihtilä & Laakkonen reveals that Saimaa ringed seals have fewer kidney reniculi than their Baltic relatives, and both have fewer than Arctic ringed seals. Their study also reveals new details of renal artery branching! anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

Our January issue just dropped! anatomypubs.onlinelibrary.wiley.com/toc/19328494... 🦈Cover article by Estevan Eltink et al. covers morphology & paleoecology of Priohybodus arambourgi, a hybodontiform shark w/serrated teeth from Jurassic of Brazil: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

A new study by De Ridder et al shows that, once size-scaled, zebras, onagers, and horses share highly comparable architecture—with subtle boosts in distal flexor strength for zebras on rough terrain! Read more at anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦴✨ From tree-climbers to diggers, spiny rats show how the first neck vertebrae track lifestyle. A new morphometric study by da Silva Netto et al reveals locomotion leaves a stronger mark than size—and even helps ID the habits of extinct species. anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

New phylogenetic work unifies fossil and living ray-finned fishes using anatomical ontologies, revealing clearer origins of Actinopterygii. Analyses refine the positions of key Paleozoic–Mesozoic groups. Study by Jack Stack: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

New research on juvenile Redondasaurus fossils from Chinle Fm. reveals that immature phytosaurs show a mosaic of traits seen in both early and late-diverging species. Links b/w growth & morphological evolution in Phytosauria. Goldsmith & Stocker: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🐱🦁 Join us Dec 10 (12–1pm ET) for a webinar building on our sabertooth anatomy special issue! Hear early-career researchers discuss Smilodon ontogeny, bite force + gape, and new insights into Homotherium. Talks by Narimane Chatar, Ashley Deutsch & John Moretti. Register: anatomy.org/ANATOMY/Meet...

New lessons from a dinosaur mummy from Canada with a soft-tissue crest; scarred skin, slow burial, balloon-headed hadrosaurs, and a new species? Research by Henry Sharpe et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

New study by Veshchitskii et al provides a first, detailed map of cervical motoneuron pools in Acomys cahirinus: Fast Blue tracing reveals precise C3–T1 positions for forelimb muscle control, outlining this species’ spinal motor organization. anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦃🍽️ This Thanksgiving, your gut barrier is working harder than the chef. A new review by Mak et al shows how alcohol and inflammation weaken intestinal junctions—leading to “leaky gut,” endotoxemia, and widespread metabolic trouble. Read more: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🐊 Largest survey of skeletal disease in living crocodilians! Nearly half showed osteopathologies, w/trauma most common. Skulls were hit hardest, and non-traumatic issues like inflammation and joint degeneration rose w/size & age. Cornille et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦴 New study reveals how teen growth and puberty shape the femur from inside out. Analyzing medieval femora, researchers found sex-specific “medullary contractions” during adolescence—especially in females & varying by region Muñoz-Guarinos et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

A new analysis of Dunkleosteus terrelli reveals its massive jaws were far more cartilage-rich than once thought, reshaping ideas about muscle layout, bite mechanics & feeding style. Time to rethink this Devonian apex predator. Engelman et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

First detailed histology of ornithocheiriform pterosaur tooth from Brazil’s Crato Formation! Thin enamel, rapid growth & ultra-fast tooth formation show pterosaurs had quickest dental development among major reptile groups Tito Aureliano et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦎✨ New research delivers the 1st full 3D anatomical atlases of the veiled chameleon (Chamaeleo calyptratus)! Open-access atlases + lesson plans offer powerful new tools for studying reptile evolution and teaching comparative anatomy. Leavey et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦴 The new paper by Gómez-Olivencia et al has identified unfused transverse foramen (UTF) in three atlases: a Middle Pleistocene from Sima de los Huesos and Neandertal specimens Kebara 2 and Krapina 98! Read more here: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

Ever wondered what a cormorant’s heart looks like?🦆 A new study on Phalacrocorax brasilianus found it has some unique cardiac quirks—like a one-piece right valve and cartilage supporting the aortic base! Read the manuscript by Gonçalves et al here! anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

👂🦴 New study by Urciuoli et al reveals that the classic Neandertal inner ear—once thought to evolve late—was already present in early Middle Pleistocene humans like Reilingen and Ehringsdorf! anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

Our December issue is now live! anatomypubs.onlinelibrary.wiley.com/toc/19328494... The cover article by Hoeflich & Liu discusses morphological diversity of Weberian apparatus in Noturus catfishes: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

New research traces evolutionary history of European rabbit (Oryctolagus cuniculus) through Pleistocene (~700ka). Analyses of 55 fossil populations reveal how climatic shifts drove changes in size & morphology, shaping biogeography. Pelletier: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🐬 New study reveals rare insights into the anatomy of the hourglass dolphin (Cephalorhynchus cruciger) & spectacled porpoise (Phocoena dioptrica). Researchers detail organs, skeletons & unique traits. Graïc et al: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

New discovery from the Lower Siwaliks (Jammu & Kashmir, India): a Paraulacodus indicus mandible (~13 Ma) from the Rashole site refines the age of key Miocene primate localities, including Kapi ramnagarensis & Ramadapis sahnii. Patnaik et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

This Halloween, meet the real masters of the night! 🦇 This study by Quinn et al. shows that Seba’s short-tailed bats use tiny sensory hairs on their wings to fine-tune flight — changing wingbeat and shape mid-air! anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

When does the human notochord begin to degenerate? A new study by Makino & Yamada, which performs a morphological analysis across Carnegie Stages 13–23 shows shrinkage starts at CS 17–18 (≈39–45 days post-fertilization). ✨ anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

New insights into early therizinosaur evolution! Newly described cranial bones of Falcarius utahensis—the oldest known therizinosaur—reveal key transitions in skull form and feeding anatomy. Freimuth & Zanno: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

New Triassic discovery! Researchers describe Fabanychus monos, new drepanosauromorph from Upper Chinle Formation (~214 Ma), AZ. Study of claw (ungual) anatomy via CT + histology reveals distinct morphotypes tied to ecology & taxonomy Sodano et al: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦎✨ Check out this new manuscript by Bothe & Fröbisch comparing axolotl and tiger salamander limb regeneration! Axolotls may be the gold standard in the lab, but tiger salamanders may prove a better model for bite-induced regeneration.

🦎 Early Pliocene fossils (4.2–3.2 Ma) from Megalo Emvolon, Greece reveal Varanus cf. marathonensis, likely atest record of this monitor lizard in Europe. Morphology links it to Asian not African lineages (esp. V. flavescens) Drakopoulou et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🐭 The red-nosed mouse (Wiedomys pyrrhorhinos) has a tongue built for versatility—4 papilla types & strong musculature suit its omnivorous diet. Tongue morphology mirrors close relatives hinting at evolutionarily conserved design Barros Torres et al anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

New study tracks semicircular canal development. Rapid growth & shape change occur w/in postnatal week 1, stabilizing by day 14 as ossification completes. Brief but critical window of vestibular morphological plasticity Cárdenas-Serna & Jeffery: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦇 Bat nasal bones (turbinals) reveal how form follows function. Echolocating bats have simpler, plate-like turbinals, while fruit-eating bats show complex, scrolled ones—especially Cynopterus sphinx & Artibeus jamaicensis. King et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

New species of Golunda (rodent) from Early Pliocene of India! Fossils from Mohand reveal smaller, less elongated molars, suggesting Golunda—once spread across Africa & Asia—likely originated in the Indian subcontinent. Singh et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/... #FossilFriday

We're excited to share a new Special Issue on sabretooth taxa, broadly defined. From defining what makes a sabertooth/tusk to exploring fossil taxa and saber function. anatomypubs.onlinelibrary.wiley.com/toc/19328494... Volume edited by Hartstone-Rose, Werdelin & Pollock

New study maps 3D structure of healthy human inner ear using largest micro-CT dataset to date. Reveals sex-based differences, key regions of variability in semicircular canals & cochlear base & accurate models predicting ear volume Spedaliere et al anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

This #FossilFriday, we're at Paleo Connected 2025! Looking forward to the exciting paleo presentations

New insights into Chanaresuchus bonapartei! From Triassic of Argentina, this proterochampsid shows a unique tarsal anatomy — with features not seen in other basal archosauriforms, & traits shared w/Ornithodira. Cotuli-Cereda et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/... #FossilFriday

Preparing @anatrecord.bsky.social swag for the upcoming PaleoConnected 2025 conference at Mizzou! Beautiful paleoart reconstructions by Henry Sharpe (pseudosuchians) and Adam Hartstone-Rose (sabretooth cat).

🚨 New research on Triassic fossils from Brazil! Dicynodonts were key terrestrial vertebrates of the Permian–Triassic. New study reveals Dinodontosaurus brevirostris—previously known only from Argentina—also lived in Brazil Rodrigues de Souza et al: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

🦎 New study revises Czech baphetid fossils (Carboniferous stem-tetrapods). Rediscovered type of Loxomma bohemicum = actually Capetus palustris Remaining fossils = Baphetes orientalis Phylogeny suggests Baphetinae may be polyphyletic Barták et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

For centuries, anatomists debated true origin of levator veli palatini—vital for speech & swallowing. Researchers found it arises from cartilaginous Eustachian tube not petrous bone, reshaping understanding of vocal tract evolution Pagano et al: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...

We're pleased to share the abstracts from the 2025 International Symposium on Morphological Sciences held earlier this year in Lisbon, Portugal. It was an honor to sponsor and support this excellent conference: anatomypubs.onlinelibrary.wiley.com/toc/19328494...