Aquatic adaptations in the four limbs of the snake-like reptile Tetrapodophis from the Lower Cretaceous of Brazil
The exquisite transitional fossil Tetrapodophis–described as a stem-snake with four small
legs from the Lower Cretaceous of Brazil–has been widely considered a burrowing animal …
legs from the Lower Cretaceous of Brazil–has been widely considered a burrowing animal …
Tetrapodophis amplectus is not a snake: re-assessment of the osteology, phylogeny and functional morphology of an Early Cretaceous dolichosaurid lizard
The origin of snakes remains one of the most contentious evolutionary transitions in
vertebrate evolution. The discovery of snake fossils with well-formed hind limbs provided …
vertebrate evolution. The discovery of snake fossils with well-formed hind limbs provided …
New record of aquatic snakes (Squamata, Palaeophiidae) from the Paleocene of South America
FF Garberoglio, RO Gómez… - Journal of Vertebrate …, 2023 - Taylor & Francis
The Paleocene deposits from the Cerrejón Formation (Colombia, South America) have
provided abundant snake remains. All this material has been assigned to the giant snake …
provided abundant snake remains. All this material has been assigned to the giant snake …
The snake fossil record from brazil
SY Onary, TS Fachini, AS Hsiou - Journal of Herpetology, 2017 - meridian.allenpress.com
Brazilian fossil snakes have had a rich and diverse record since the Late Cretaceous. Here,
we provide an overview of the snake fossil record from Brazil, gathering all available data to …
we provide an overview of the snake fossil record from Brazil, gathering all available data to …
On the phylogenetic relationships of the Cretaceous snakes with legs, with special reference to Pachyrhachis problematicus (Squamata, Serpentes)
Pachyrhachis problematicus is an early Upper Cretaceous snake with legs from the Middle
East. The taxon is involved in an increasingly controversial debate about the origin and …
East. The taxon is involved in an increasingly controversial debate about the origin and …
Nice snake, shame about the legs
Snakes are one of the most extraordinary groups of terrestrial vertebrates, with numerous
specializations distinguishing them from other squamates (lizards and their allies). Their …
specializations distinguishing them from other squamates (lizards and their allies). Their …
Insights into skull evolution in fossorial snakes, as revealed by the cranial morphology of Atractaspis irregularis (Serpentes: Colubroidea)
Comparative osteological analyses of extant organisms provide key insight into major
evolutionary transitions and phylogenetic hypotheses. This is especially true for snakes …
evolutionary transitions and phylogenetic hypotheses. This is especially true for snakes …
Skeletal heterochrony is associated with the anatomical specializations of snakes among squamate reptiles
I Werneburg, MR Sánchez-Villagra - Evolution, 2015 - academic.oup.com
Snakes possess a derived anatomy, characterized by limb reduction and reorganization of
the skull and internal organs. To understand the origin of snakes from an ontogenetic point …
the skull and internal organs. To understand the origin of snakes from an ontogenetic point …
[HTML][HTML] A new snake skull from the Paleocene of Bolivia sheds light on the evolution of macrostomatans
Macrostomatan snakes, one of the most diverse extant clades of squamates, display an
impressive arsenal of cranial features to consume a vast array of preys. In the absence of …
impressive arsenal of cranial features to consume a vast array of preys. In the absence of …
The anatomy of the upper cretaceous snake Najash rionegrina Apesteguía & Zaher, 2006, and the evolution of limblessness in snakes
H Zaher, S Apesteguia… - Zoological Journal of the …, 2009 - academic.oup.com
Najash rionegrina Apesteguía & Zaher, 2006, a terrestrial fossil snake from the Upper
Cretaceous of Argentina, represents the first known snake with a sacrum associated with …
Cretaceous of Argentina, represents the first known snake with a sacrum associated with …