A chronostratigraphic framework for the upper Stormberg Group: implications for the Triassic-Jurassic boundary in southern Africa

EM Bordy, M Abrahams, GR Sharman, PA Viglietti… - Earth-Science …, 2020 - Elsevier
Abstract The upper Stormberg Group (Elliot and Clarens formations) of the main Karoo
Basin is well-known for its fossil vertebrate fauna, comprising early branching members of …

The diet of early birds based on modern and fossil evidence and a new framework for its reconstruction

CV Miller, M Pittman - Biological Reviews, 2021 - Wiley Online Library
Birds are some of the most diverse organisms on Earth, with species inhabiting a wide
variety of niches across every major biome. As such, birds are vital to our understanding of …

Multiple pathways to herbivory underpinned deep divergences in ornithischian evolution

DJ Button, LB Porro, S Lautenschlager, MEH Jones… - Current Biology, 2023 - cell.com
The extent to which evolution is deterministic is a key question in biology, 1, 2, 3, 4, 5, 6, 7, 8,
9 with intensive debate on how adaptation 6, 10, 11, 12, 13 and constraints 14, 15, 16 might …

Dental form and function in the early feeding diversification of dinosaurs

A Ballell, MJ Benton, EJ Rayfield - Science Advances, 2022 - science.org
Dinosaurs evolved a remarkable diversity of dietary adaptations throughout the Mesozoic,
but the origins of different feeding modes are uncertain, especially the multiple origins of …

Biostratigraphy of the Massospondylus Assemblage Zone (Stormberg Group, Karoo Supergroup), South Africa

PA Viglietti, BW McPhee, EM Bordy… - South African Journal …, 2020 - journals.co.za
Abstract The Massospondylus Assemblage Zone is the youngest tetrapod biozone in the
Karoo Basin (upper Stormberg Group, Karoo Supergroup) and records one of the oldest …

The effect of character and outgroup choice on the phylogenetic position of the Jurassic dinosaur Chilesaurus diegosaurezi

MG Baron - Palaeoworld, 2022 - Elsevier
The systematic position of the unusual Late Jurassic dinosaur Chilesaurus diegosaurezi
remains an area of real uncertainty. Originally thought to be an unusual theropod …

Hidden for one hundred years: a diverse theropod ichnoassemblage and cross-sectional tracks from the historic Early Jurassic Tsikoane ichnosite (Clarens Formation …

M Abrahams, EM Bordy, F Knoll - Historical Biology, 2021 - Taylor & Francis
ABSTRACT The upper Stormberg Group of Lesotho has an abundant and diverse
ichnological record that dates to the Early Jurassic. Herein, we re-evaluate a known …

Description of Tooth Ontogeny and Replacement Patterns in a Juvenile Tarbosaurus bataar (Dinosauria: Theropoda) Using CT‐Scan Data

T Hanai, T Tsuihiji - The Anatomical Record, 2019 - Wiley Online Library
Teeth are continually replaced in most of non‐mammalian gnathostomes to maintain their
functional dentitions. To clarify the tooth replacement patterns in tyrannosaurid theropod …

Large tridactyl dinosaur tracks from the Early Jurassic of southern Gondwana–uppermost Elliot Formation, Upper Moyeni, Lesotho

M Abrahams, L Sciscio, M Reid… - Annales Societatis …, 2020 - geojournals.pgi.gov.pl
A new ichnosite in southwest Lesotho (Upper Moyeni; Quthing District) is located within the
uppermost part of the highly fossiliferous Elliot Formation,~ 35 m below the conformably …

Riches of the Roma valley: theropod and ornithischian tracks from the Early Jurassic southern Africa

M Abrahams, A Rampersadh, L Mpangala - Historical Biology, 2024 - Taylor & Francis
ABSTRACT The Upper Triassic–Lower Jurassic Stormberg Group, main Karoo Basin, is
notably rich in diverse dinosaur trace fossils, particularly in the Roma Valley of western …