Synapsida is a diverse group of tetrapod vertebrates that includes all mammals and their extinct relatives. It is one of the two major clades of the group...

(2011), Benson (2012) and Spinder (2016) unless otherwise noted. Class Synapsida Eupelycosauria Sphenacodontia †Haptodus †Hypselohaptodus †Ianthodon Pantherapsida...

stem mammals. This groups Dimetrodon together with mammals in the clade Synapsida, while reptiles are placed in a separate clade, Sauropsida. Single openings...

Subclass Euryapsida (plesiosaurs, placodonts, and ichthyosaurs) Subclass Synapsida (stem or proto-mammals, progenitors of mammals) Class Aves (birds) Subclass...

classification of Reptilia in 1903, and erected two major groups: Diapsida and Synapsida, and in 1905, South African palaeontologist Robert Broom created a third...

most popular definition states that Sauropsida is the sibling taxon to Synapsida, the other clade of amniotes which includes mammals as its only modern...

"The Evolution of the Maxillary Canal in Probainognathia (Cynodontia, Synapsida): Reassessment of the Homology of the Infraorbital Foramen in Mammalian...

Luthardt, V. Annacker, and R. Roßler. 2018. First arboreal ‘pelycosaurs’(Synapsida:Varanopidae) from the early Permian Chemnitz Fossil Lagerstatte, SE-Germany...

Benoit, J (2024). "A possible later stone age painting of a dicynodont (Synapsida) from the South African Karoo". PLOS One. Bain, A.G. (1845). "On the discovery...

(including cats, dogs, and seals). Mammals are the only living members of Synapsida; this clade, together with Sauropsida (reptiles and birds), constitutes...

within Synapsida and considered them as the suborder Sphenacodontia. Most phylogenetic analyses have place Varanopidae as a basal member of Synapsida and...

species – 10,000+ species of birds and 11,300+ species of reptiles) Class Synapsida (mammals; 5,700+ species) Cephalochordates, one of the three subdivisions...

Geological Society of America Special Papers, No 28 Synapsida: Sphenacodontia Deuterostoma/Chordata/Synapsida/Pelycosauria/Sphenacodontidae.htm Sphenacodontidae...

Greene Formation is a geologic formation located in Ohio, West Virginia and Pennsylvania that has been dated to the Seymouran Land-Vertebrate Faunachron...

Fröbisch et al. (2011) and Benson (2012) unless otherwise noted. Class Synapsida Sphenacodontoidea Family †Sphenacodontidae Therapsida Sphenacodontoidea...

The Hanson Formation (also known as the Shafer Peak Formation) is a geologic formation on Mount Kirkpatrick and north Victoria Land, Ross Dependency, Antarctica...

Fröbisch, Jörg (2023). "The postcranial anatomy of Gorgonops torvus (Synapsida, Gorgonopsia) from the late Permian of South Africa". PeerJ. 11: e15378...

The smallest organisms found on Earth can be determined according to various aspects of organism size, including volume, mass, height, length, or genome...

"Tiarajudens eccentricus and Anomocephalus africanus , two bizarre anomodonts (Synapsida, Therapsida) with dental occlusion from the Permian of Gondwana". Royal...

carnivorous biarmosuchians, gorgonopsians and therocephalians. Class Synapsida Order Therapsida Suborder Dinocephalia ?Driveria ?Mastersonia Family Estemmenosuchidae...

information related to Pelycosauria. "Introduction to the Pelycosaurs". UCMP. "Synapsida - Pelycosauria". Palaeos. Archived from the original on 2006-03-13....

osteohistology of hyperelongate neural spines in the Edaphosauridae (Amniota: Synapsida)". Palaeontology. 54 (3): 573–590. Bibcode:2011Palgy..54..573H. doi:10...

R.; Martens, T.; Henrici, A.C. (2001). "A new species of Dimetrodon (Synapsida: Sphenacodontidae) from the Lower Permian of Germany records first occurrence...

placement of Limnoscelis and the Diadectomorpha relative to Amniota and Synapsida. Heaton's originally classified the diadectomorphs as amphibians, outside...

classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Synapsida Clade: Therapsida Clade: Cynodontia Clade: Epicynodontia Clade: Eucynodontia...

(amphibians, some ancestral to the amniotes)—now a paraphyletic group Class Synapsida (mammals and the extinct mammal-like reptiles) Class Sauropsida (reptiles...

Jörg; Angielczyk, Kenneth D. (eds.). Early Evolutionary History of the Synapsida. Springer Netherlands. ISBN 978-94-007-6841-3. Joyner, Christopher C....

Frederik Spindler, Sebastian Voigt & Jan Fischer (2019) Edaphosauridae (Synapsida, Eupelycosauria) from Europe and their relationship to North American...

mass estimate of the tapinocephalid dinocephalian Tapinocaninus pamelae (Synapsida: Therapsida)". Historical Biology. 33 (4): 498–505. doi:10.1080/08912963...

Kusuhashi N, Corfe IJ (July 2016). "A new Early Cretaceous tritylodontid (Synapsida, Cynodontia, Mammaliamorpha) from the Kuwajima Formation (Tetori Group)...