An elephant-sized Late Triassic synapsid with erect limbs

  title={An elephant-sized Late Triassic synapsid with erect limbs},
  author={Tomasz Sulej and Grzegorz Niedźwiedzki},
  pages={78 - 80}
A proto-mammalian giant Early terrestrial amniotes evolved into two groups: the sauropsids, which led to the bird and dinosaur lineages, and the synapsids, which led to mammals. Synapsids were diverse during the Permian but were greatly reduced after the end-Permian extinction (about 252 million years ago). The few groups that survived into the Triassic were mostly small and retained a sprawling gait. Sulej and Niedźwiedzki, however, describe a dicynodont from the Late Triassic of Poland that… 
New record of a stahleckeriid dicynodont (Therapsida, Dicynodontia) from the Late Triassic of southern Brazil and biostratigraphic remarks on the Riograndia Assemblage Zone
ABSTRACT Dicynodonts represent a speciose clade of non-mammalian synapsids that lived from the middle Permian to the Late Triassic, exhibiting a Pangaean distribution. The South American Norian
A Redescription of Kunpania scopulusa, a Bidentalian Dicynodont (Therapsida, Anomodontia) from the ?Guadalupian of Northwestern China
  • K. Angielczyk, Jun Liu, Wan Yang
  • Geology
    Journal of Vertebrate Paleontology
  • 2021
ABSTRACT Permian dicynodonts were discovered in strata exposed on the flanks of the Bogda Mountains (Xinjiang, China) in 1928. Nearly all known specimens were collected in the Guodikeng Formation (=
An Upper Triassic Terrestrial Vertebrate Assemblage from the Forgotten Kocury Locality (Poland) with a New Aetosaur Taxon
ABSTRACT Since 1990, several localities within the Keuper (upper Middle to Upper Triassic) strata in southern Poland have yielded remains of numerous terrestrial vertebrate species. Here we report a
The Large-Bodied Dicynodont Stahleckeria (Synapsida, Anomodontia) from the Upper Triassic (Carnian) Chañares Formation (Argentina); New Data for Triassic Gondwanan Biogeography
Abstract. The non-marine Triassic displays distinct regional differences in tetrapod fossil assemblages even in adjacent regions, and these patterns have been hypothesized to reflect provincialism.
A New Kannemeyeriiform Dicynodont (Ufudocyclops mukanelai, gen. et sp. nov.) from Subzone C of the Cynognathus Assemblage Zone, Triassic of South Africa, with Implications for Biostratigraphic Correlation with other African Triassic Faunas
ABSTRACT A new taxon of kannemeyeriiform dicynodont, Ufudocyclops mukanelai, is described based on a well-preserved skull from Subzone C of the Cynognathus Assemblage Zone, which are the youngest
Enigmatic vertebrate trackway from the Scalby Formation (Middle Jurassic) Yorkshire, United Kingdom, with discussion of archosaur and ‘mammal’ trace fossils
Abstract We describe a new and unusual vertebrate trackway from the Middle Jurassic Scalby Formation of the Cleveland Basin, Yorkshire, United Kingdom. The Enigmatic Burniston Trackway (EBT) is the
A re-assessment of the oldest therapsid Raranimus confirms its status as a basal member of the clade and fills Olson's gap.
CT scanning techniques are used to digitally reconstruct the bones and trigeminal canals of the snout of Raranimus in 3D and confirm that RarAnimus shares a high number of synapomorphies with more derived therapsids and is the only theraapsid known so far to display a "pelycosaur"-like maxillary canal bearing a long caudal alveolar canal that gives off branches at regular intervals.


A Dicynodont-Theropod Association in the Latest Triassic of Poland
It is generally accepted that during the Triassic the composi− tion of tetrapod faunas underwent a series of fundamental transformations, mainly as a result of diversification of archosaurs and
A Large Predatory Archosaur from the Late Triassic of Poland
We describe a new large predatory archosaur, Smok wawelski gen. et sp. nov., from the latest Triassic (latest Norian—early Rhaetian; approximately 205–200 Ma) of Lisowice (Lipie Śląskie clay-pit) in
Bite traces on dicynodont bones and the early evolution of large terrestrial predators
It is suggested that an evolutionary increase in the size of dicynodonts across the Late Triassic may have been driven by selection pressure to reach a size refuge from early dinosaur predators.
A new dicynodont–archosaur assemblage from the Late Triassic (Carnian) of Poland
ABSTRACT This paper reports a new assemblage from the Late Triassic (mid–late Carnian) at Woźniki near Częstochowa (Poland). The Woźniki vertebrate assemblage is similar to that of Lisowice–Lipie
The evolution of dinosaurs.
The ascendancy of dinosaurs on land near the close of the Triassic now appears to have been as accidental and opportunistic as their demise and replacement by therian mammals at the end of the
On the Validity and Phylogenetic Position of Eubrachiosaurus browni, a Kannemeyeriiform Dicynodont (Anomodontia) from Triassic North America
Inclusion of Eubrachiosaurus in a revised phylogenetic analysis of anomodont therapsids indicates that it is a stahleckeriid closely related to the South American genera Ischigualastia and Jachaleria, which alters perception of Late Triassic dicynodont diversity in the northern hemisphere.
The earliest known sauropod dinosaur and the first steps towards sauropod locomotion
  • A. Yates, J. Kitching
  • Biology, Medicine
    Proceedings of the Royal Society of London. Series B: Biological Sciences
  • 2003
A partial dinosaur skeleton from the Upper Triassic (Norian) sediments of South Africa is described and named Antetonitrus ingenipes, which is the oldest known definitive sauropod.
No dicynodont in the Keuper - a reconsideration of the occurrence of aff. Dinodontosaurus in the Middle Triassic of Southern Germany
An isolated humerus, attributed to a dicynodont therapsid and identified as aff. Dinodontosaurus, from the Lower Keuper (Middle Ladinian, Middle Triassic) of southwestern Germany is redescribed. An
Mammal-Like Tooth from the Upper Triassic of Poland
Recent Triassic discoveries have extended the record of near-mammals (Mammaliaformes) back to the Norian, about 215 Ma, and reveal a significant diversity of Late Triassic (Norian-Rhaetian) forms. We
Locomotion in derived dicynodonts (Synapsida, Anomodontia): a functional analysis of the pelvic girdle and hind limb of Tetragonias njalilus
A general locomotor model for derived dicynodont anomodonts is proposed on the basis of a functional analysis of the pelvic girdle and entire hind limb of the medium-sized Middle Triassic dicynodont