High Blood Flow Into the Femur Indicates Elevated Aerobic Capacity in Synapsids Since the Synapsida-Sauropsida Split [PDF]
Frontiers in Ecology and Evolution, 2021 Varanids are the only non-avian sauropsids that are known to approach the warm-blooded mammals in stamina. Furthermore, a much higher maximum metabolic rate (MMR) gives endotherms (including birds) higher stamina than crocodiles, turtles, and non-varanid
Philipp L. Knaus +8 more
doaj +2 more sources
Mamíferos (Synapsida, Theria) del Valle del Cauca, Colombia [PDF]
Biota Colombiana, 2012 Se presenta una lista de los mamíferos (Synapsida: Theria), del departamento del Valle del Cauca y un recuento histórico de las expediciones y colecciones realizadas en el departamento. Este trabajo sólo incluye especies que están representadas en museos
Vladimir Rojas-Díaz +2 more
doaj +14 more sources
Mamíferos (Synapsida: Theria) de Colombia
Biota Colombiana, 2000 Mientras algunos países desarrollados han tenido una larga trayectoria en estudiar y publicar listas de especies al nivel nacional, regional y local, los esfuerzos en Colombiahan sido muy ocasionales y relativamente recientes.
Michael Alberico +2 more
doaj +11 more sources
Rethinking therapsid phylogeny through Bayesian and cladistic approaches [PDF]
Scientific ReportsTherapsids are early-diverging synapsids that thrived during the Permian and Triassic periods, and ultimately gave rise to mammals. They include six major groups, which already exhibited considerable diversity at their first appearance in the fossil ...
Alienor Duhamel +5 more
doaj +2 more sources
Description of the skull, braincase, and dentition of Moschognathus whaitsi (Dinocephalia, Tapinocephalia), and its palaeobiological and behavioral implications. [PDF]
Anat Rec (Hoboken)Abstract A subadult Moschognathus whaitsi from the Eastern Cape Province, South Africa, was scanned using synchrotron radiation X‐ray computed tomography (SRXCT). Its subadult state allowed the cranial bones and teeth to be identified and individually reconstructed in 3D.
Lafferty T +3 more
europepmc +2 more sources
Bone histology of the graviportal dinocephalian therapsid Jonkeria from the middle Permian Tapinocephalus Assemblage Zone of the Karoo Basin of South Africa [PDF]
Acta Palaeontologica Polonica, 2021 Here we examine the bone histology of multiple skeletal elements of three individuals of Jonkeria from the middle Permian Tapinocephalus Assemblage Zone of the Karoo Basin of South Africa.
MOHD SHAFI BHAT +2 more
doaj +1 more source
Synapsids and sensitivity: Broad survey of tetrapod trigeminal canal morphology supports an evolutionary trend of increasing facial tactile specialization in the mammal lineage. [PDF]
Anat Rec (Hoboken)Abstract The trigeminus nerve (cranial nerve V) is a large and significant conduit of sensory information from the face to the brain, with its three branches extending over the head to innervate a wide variety of integumentary sensory receptors, primarily tactile.
Miyamae JA +4 more
europepmc +2 more sources
New evidence from high-resolution computed microtomography of Triassic stem-mammal skulls from South America enhances discussions on turbinates before the origin of Mammaliaformes [PDF]
Scientific ReportsThe nasal cavity of living mammals is a unique structural complex among tetrapods, acquired along a series of major morphological transformations that occurred mainly during the Mesozoic Era, within the Synapsida clade.
Pedro H. M. Fonseca +8 more
doaj +2 more sources
Hypercanines: Not just for sabertooths. [PDF]
Anat Rec (Hoboken)Abstract Hypercanines are here defined as hypertrophied caniniform teeth, that is, canine teeth that are elongated to serve specific functions in different clades of mammals and their synapsid ancestors. This article presents an overview of the occurrence of hypercanines, their growth, and their function across a broad range of clades.
Werdelin L.
europepmc +2 more sources
Evolution and identity of synapsid carpal bones [PDF]
Acta Palaeontologica Polonica, 2020 To date there is little information on carpal bone homology in late Palaeozoic and Mesozoic Synapsida. Crucial to the understanding of homology in synapsid carpal elements is the fact that different nomenclatures are used for the carpals of non ...
Susanna Kümmell +3 more
doaj +1 more source