Results 21 to 30 of about 1,804 (199)

Endothermy, neuron counts, and other issues: Further remarks on neurocognitive evolution in fossil vertebrates. [PDF]

Anat Rec (Hoboken)
Abstract Last year, we challenged the view that large‐bodied theropod dinosaurs such as Tyrannosaurus rex resembled primates in cognition and behavior, a proposition made by Herculano‐Houzel in 2023. More recently, Jensen et al. have criticized our work on this topic, raising methodological and conceptual issues.
Caspar KR, Gutiérrez-Ibáñez C, George H, Holtz TR, Naish D, Hurlburt GR.   +5 more
europepmc   +2 more sources

On the “cartilaginous rider” in the endocasts of turtle brain cavities [PDF]

Vertebrate Zoology, 2021
Abstract In recent years, paleoneurology became a very popular research field and hundreds of brain-endocasts were described. The interpretation of a dorsal protuberance of the brain-endocast puzzled researchers for a long time, the so-called (cartilaginous) rider. This is mainly because of technical limitations in the
Ingmar Werneburg, Serjoscha W. Evers, Gabriel Ferreira   +2 more
openaire   +3 more sources

Cranial anatomy of a Late Cretaceous aspidorhynchid fish (Neopterygii: Aspidorhynchiformes) from Alberta, Canada. [PDF]

Anat Rec (Hoboken)
Abstract Belonostomus longirostrisis was named for an isolated jaw fragment from freshwater Upper Cretaceous (Campanian) sediments of the Dinosaur Park Formation of Alberta, Canada. Following the description of the Albertan species, numerous isolated cranial and postcranial elements have been collected from the Dinosaur Park Formation and assigned to B.
Miyazato M, Nelson LE, Doyon JA, Brinkman DB, Murray AM.   +4 more
europepmc   +2 more sources

Precision and accuracy of the dynamic endocast method for measuring volume changes in XROMM studies. [PDF]

J Exp Biol
The X-ray Reconstruction of Moving Morphology (XROMM) workflow enables precise and accurate measurement of the 3D skeletal kinematics underlying animal behaviors.
Kaczmarek EB, Li EY, Capano JG, Falkingham PL, Gatesy SM, Brainerd EL, Camp AL.   +6 more
europepmc   +3 more sources

Mandibular musculature constrains brain–endocast disparity between sarcopterygians [PDF]

Royal Society Open Science, 2020
The transition from water to land by the earliest tetrapods in the Devonian Period is seen as one of the greatest steps in evolution. However, little is understood concerning changes in brain morphology over this transition.
T. J. Challands, Jason D. Pardo, Alice M. Clement   +2 more
doaj   +2 more sources

The cranial endocast of the Upper Devonian dipnoan ‘Chirodipterus’ australis [PDF]

PeerJ, 2018
One of the first endocasts of a dipnoan (lungfish) to be realised was that of the Upper Devonian taxon Chirodipterus australis. This early interpretation was based on observations of the shape of the cranial cavity alone and was not based on a natural ...
Struan A.C. Henderson, Tom J. Challands
doaj   +6 more sources

The endocast morphology of LES1, Homo naledi

American Journal of Biological Anthropology
AbstractObjectivesHomo naledi is near the extreme of small brain size within Homo but is easily recognized as Homo in other aspects of endocast morphology. This study adds new evidence of the endocast morphology of H. naledi by describing the Lesedi Hominin 1 (LES1) endocranium from the Lesedi Chamber and compares it to the previously known H.
Shawn D. Hurst, Ralph L. Holloway, Antoine Balzeau, Heather M. Garvin, William B. Vanti, Lee R. Berger, John Hawks   +6 more
openaire   +3 more sources

Cranial Material of Long-Snouted Dolphins (Cetacea, Odontoceti, Eurhinodelphinidae) from the Early Miocene of Rosignano Monferrato, Piedmont (NW Italy): Anatomy, Paleoneurology, Phylogenetic Relationships and Paleobiogeography

Diversity, 2023
We provide a new study of previously published eurhinodelphinid materials from the early Miocene of Piedmont (NW Italy) based on a new preparation of the fossil specimens. We studied specimens previously assigned to Tursiops miocaenus and Dalpiazella sp.
Vera Tosetto, Piero Damarco, Riccardo Daniello, Marco Pavia, Giorgio Carnevale, Michelangelo Bisconti   +5 more
doaj   +1 more source

The Internal Cranial Anatomy of a Female With Endocrine Disorders From a Mediaeval Population

Frontiers in Endocrinology, 2022
Gigantism and acromegaly have been observed in past populations; however, analyses usually focus on the morphological features of the post-cranial skeleton.
Anna Maria Kubicka, Anna Maria Kubicka, Philippe Charlier, Philippe Charlier, Antoine Balzeau, Antoine Balzeau   +5 more
doaj   +1 more source

First virtual endocasts of adapiform primates [PDF]

Journal of Human Evolution, 2016
Well-preserved crania of notharctine adapiforms from the Eocene of North America provide the best direct evidence available for inferring neuroanatomy and encephalization in early euprimates (crown primates). Virtual endocasts of the notharctines Notharctus tenebrosus (n = 3) and Smilodectes gracilis (n = 4) from the middle Eocene Bridger formation of ...
Harrington, Arianna R, Silcox, Mary T, Yapuncich, Gabriel S, Boyer, Doug M, Bloch, Jonathan I   +4 more
openaire   +2 more sources