Results 71 to 80 of about 581 (152)

First CT‐assisted study of the palate and postcrania of Diarthrognathus broomi (Cynodontia, Probainognathia)

open access: yesThe Anatomical Record, Volume 307, Issue 4, Page 1538-1558, April 2024.
Abstract Diarthrognathus broomi is a transitional taxon between non‐mammaliaform cynodonts and Mammaliaformes that occurred during the Late Triassic to Early Jurassic. All known specimens of Diarthrognathus represent juveniles, and the postcrania have not been thoroughly described.
Erin S. Lund   +2 more
wiley   +1 more source

FIG. 5 in A sectorial toothed cynodont (Therapsida) from the Triassic Santa Cruz do Sul fauna, Santa Maria Formation, Southern Brazil

open access: yes, 2011
FIG. 5. — Chrono- and biostratigraphy of southern Brazilian Triassic units: A, Geologic Time Scale 2004 (from Gradstein & Ogg 2004); B, time scale after Muttoni et al.
Bertoni-Machado, Cristina   +2 more
core   +1 more source

A new mid-Permian burnetiamorph therapsid from the Main Karoo Basin of South Africa and a phylogenetic review of Burnetiamorpha [PDF]

open access: yesActa Palaeontologica Polonica, 2016
Discoveries of burnetiamorph therapsids in the last decade and a half have increased their known diversity but they remain a minor constituent of middle–late Permian tetrapod faunas.
Michael O. Day   +2 more
doaj   +1 more source

The origin and evolution of Cynodontia (Synapsida, Therapsida): Reassessment of the phylogeny and systematics of the earliest members of this clade using 3D‐imaging technologies

open access: yesThe Anatomical Record, Volume 307, Issue 4, Page 1634-1730, April 2024.
Abstract The origin of cynodonts, the group ancestral to and including mammals, is one of the major outstanding problems in therapsid evolution. One of the most troubling aspects of the cynodont fossil record is the lengthy Permian ghost lineage between the latest possible divergence from its sister group Therocephalia and the first appearance of ...
Luisa C. Pusch   +2 more
wiley   +1 more source

Evidências de Anomalias Ósseas em Stahleckeria potens Huene, 1935 (Therapsida, Anomodontia). [PDF]

open access: yesAnuário do Instituto de Geociências, 2007
Os dicinodontes representam um grupo de tetrápodes herbívoros amplamente registrado em rochas sedimentares do Permiano Superior eTriássico. Uma das espécies mais instigantes é Stahleckeria potens Huene 1935, uma forma de porte avantajado cujos fósseis ...
Cibele Schwanke, Diogo Jorge de Melo
doaj  

New whaitsioids (Therapsida: Therocephalia) from the Teekloof Formation of South Africa and therocephalian diversity during the end-Guadalupian extinction [PDF]

open access: yesPeerJ, 2017
Two new species of therocephalian therapsids are described from the upper Permian Teekloof Formation of the Karoo Basin, South Africa. They include two specimens of a whaitsiid, Microwhaitsia mendrezi gen. et sp.
Adam K. Huttenlocker, Roger M.H. Smith
doaj   +2 more sources

The bony labyrinth of late Permian Biarmosuchia: palaeobiology and diversity in non-mammalian Therapsida [PDF]

open access: yes, 2017
Biarmosuchia, as the basalmost group of Therapsida (the stem group of mammals), are important for understanding mammalian origins and evolution. Unlike other therapsid groups, the bony labyrinth of biarmosuchians has not yet been studied, despite ...
Benoit, Julien   +3 more
core  

Figure 2. Permian dicynodont bone histology. A in Do extraordinarily high growth rates in Permo-Triassic dicynodonts (Therapsida, Anomodontia) explain their success before and after the end-Permian extinction?

open access: yes, 2010
Figure 2. Permian dicynodont bone histology. A, adult Galeops humerus SAM-PK-12261a; B, early subadult Eodicynodon femur NMQR2996a; C, late subadult Eodicynodon femur NMQR3153a; D, late subadult Diictodon SAM-PK-K7725; E, subadult Endothiodon tibia SAM ...
Botha-Brink, Jennifer   +1 more
core   +1 more source

Distinctive emydopoid dicynodont (Therapsida, Anomodontia) mandibles from the Permian Ruhuhu and Usili formations (Songea Group), Ruhuhu Basin, Tanzania

open access: yes, 2015
Dicynodont therapsids were discovered in the Permian Usili Formation (Ruhuhu Basin, Tanzania) in the 1930s and in the Permian Ruhuhu Formation in the 1960s, with further collections being made in 2007, 2008, and 2012.
C. Barry Cox (819631)   +1 more
core   +1 more source

The first karenitid (Therapsida, Therocephalia) from the upper Permian of Gondwana and the biogeography of Permo-Triassic therocephalians

open access: yes, 2016
Therocephalians were an ecologically diverse group of therapsids whose long stratigraphic record and widespread distribution during Permian and Triassic times make them important for understanding biogeographic patterns during a major faunal transition ...
Christian A. Sidor (559831)   +1 more
core   +1 more source

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