At the root of the mammalian mind: The sensory organs, brain and behavior of pre-mammalian synapsids

J Benoit, KN Dollman, RMH Smith… - Progress in Brain Research, 2023 - Elsevier
All modern mammals are descendants of the paraphyletic non-mammaliaform Synapsida,
colloquially referred to as the “mammal-like reptiles.” It has long been assumed that these …

Skull of a new periptychid mammal from the lower Paleocene Denver Formation of Colorado (Corral Bluffs, El Paso County)

LN Weaver, JW Crowell, SGB Chester… - Journal of Mammalian …, 2024 - Springer
The Periptychidae, an extinct group of archaic ungulates ('condylarths'), were the most
speciose eutherian mammals in the earliest Paleocene of North America, epitomizing …

Evolution of arboreality and fossoriality in squirrels and aplodontid rodents: Insights from the semicircular canals of fossil rodents

R Bhagat, OC Bertrand, MT Silcox - Journal of Anatomy, 2021 - Wiley Online Library
Reconstructing locomotor behaviour for fossil animals is typically done with postcranial
elements. However, for species only known from cranial material, locomotor behaviour is …

Virtual endocranial and inner ear endocasts of the Paleocene 'condylarth' Chriacus: new insight into the neurosensory system and evolution of early placental …

OC Bertrand, SL Shelley, JR Wible… - Journal of …, 2020 - Wiley Online Library
The end‐Cretaceous mass extinction allowed placental mammals to diversify ecologically
and taxonomically as they filled ecological niches once occupied by non‐avian dinosaurs …

The virtual brain endocast of Trogosus (Mammalia, Tillodontia) and its relevance in understanding the extinction of archaic placental mammals

OC Bertrand, M Jiménez Lao, SL Shelley… - Journal of …, 2024 - Wiley Online Library
After successfully diversifying during the Paleocene, the descendants of the first wave of
mammals that survived the end‐Cretaceous mass extinction waned throughout the Eocene …

The cranium of Proviverra typica (Mammalia, Hyaenodonta) and its impact on hyaenodont phylogeny and endocranial evolution

M Dubied, F Solé, B Mennecart - Palaeontology, 2019 - Wiley Online Library
We describe the first endocast reconstruction of a hyaenodont mammal based on X‐ray
microtomography. The endocast belongs to the type material of the European hyaenodont …

[KİTAP][B] Functional Significance of the Mandible, Tooth Roots, and Tooth Crowns, and their Implications for Fossil Dietary Inference

AC DeMers - 2023 - search.proquest.com
The tooth crowns, tooth roots, and mandible of mammals form an integrated apparatus for
the acquisition and breakdown of food. The mandible houses the teeth and anchors the …

Brain evolution in fossil rodents: A starting point

OC Bertrand, MT Silcox - paleoneurology of amniotes: new directions in …, 2022 - Springer
The goal of this chapter is to summarize work published on virtual endocasts of extant and
extinct rodents and provide a framework to answer outstanding questions. Virtual endocasts …

Mammals, birds and non-avian reptiles have signature proportions of numbers of neurons across their brain structures: Numbers of neurons increased differently with …

S Herculano-Houzel - bioRxiv, 2022 - biorxiv.org
Modern mammals, birds, and non-avian reptiles have shared developmental and
evolutionary origins in the ancestral amniotes of 300 million years ago. A previous analysis …

Petrosal and bony labyrinth morphology of the stem paenungulate mammal (Paenungulatomorpha) Ocepeia daouiensis from the Paleocene of Morocco

E Gheerbrant, A Schmitt, G Billet - Journal of Anatomy, 2022 - Wiley Online Library
Based on high‐resolution computed tomography, we describe in detail the petrosal and
inner ear anatomy of one of the few known African stem paenungulates …