The Anatomical Record
@anatrecord.bsky.social
The Anatomical Record publishes new discoveries in morphological aspects of molecular, cellular, systems, and evolutionary biology. Official journal of the American Association for Anatomy. https://anatomicalrecord.com/
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/...
December 9, 2025 at 1:01 PM
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/...
December 7, 2025 at 2:30 PM
🦴✨ 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/...
Study by Jack Stack:
anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
December 5, 2025 at 1:03 PM
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/...
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/...
Goldsmith & Stocker:
anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
December 3, 2025 at 1:01 PM
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/...
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...
Register: anatomy.org/ANATOMY/Meet...
December 2, 2025 at 11:01 AM
🐱🦁 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...
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/...
Research by Henry Sharpe et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
December 1, 2025 at 12:01 PM
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/...
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/...
November 29, 2025 at 1:01 PM
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/...
November 27, 2025 at 1:02 PM
🦃🍽️ 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/...
Cornille et al.:
anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
November 25, 2025 at 11:30 AM
🐊 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/...
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/...
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/...
November 23, 2025 at 11:30 AM
🦴 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/...
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/...
Engelman et al.:
anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
November 21, 2025 at 2:45 PM
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/...
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/...
Tito Aureliano et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
November 21, 2025 at 12:02 PM
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/...
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/...
Leavey et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
November 19, 2025 at 12:30 PM
🦎✨ 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/...
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/...
November 17, 2025 at 2:30 PM
🦴 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/...
November 14, 2025 at 2:30 PM
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/...
November 12, 2025 at 2:30 PM
👂🦴 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/...
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/...
November 9, 2025 at 12:00 PM
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/...
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/...
Pelletier: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
November 8, 2025 at 12:00 PM
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/...
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/...
Graïc et al: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
November 6, 2025 at 1:01 PM
🐬 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/...
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/...
Patnaik et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
November 3, 2025 at 2:02 PM
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/...
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/...
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/...
November 1, 2025 at 1:22 AM
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/...
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/...
anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
October 29, 2025 at 9:15 PM
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/...
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/...
Freimuth & Zanno: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
October 27, 2025 at 11:01 AM
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/...
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/...
Sodano et al: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
October 25, 2025 at 11:00 AM
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/...
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.
anatomypubs.onlinelibrary.wiley.com
October 23, 2025 at 12:15 PM
🦎✨ 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.