Ankylosaurian body armor function and evolution with insights from osteohistology and morphometrics of new specimens from the Late Cretaceous of Antarctica

AS Brum, LHS Eleutério, TR Simões, MR Whitney… - Paleobiology, 2023 - cambridge.org
The body armor of ankylosaurians is a unique morphological feature among dinosaurs.
While ankylosaurian body armor has been studied for decades, paleohistological analyses …

Long bone histology and growth patterns in ankylosaurs: implications for life history and evolution

M Stein, S Hayashi, PM Sander - PLoS One, 2013 - journals.plos.org
The ankylosaurs are one of the major dinosaur groups and are characterized by unique
body armor. Previous studies on other dinosaur taxa have revealed growth patterns, life …

Bizarre dermal armour suggests the first African ankylosaur

SCR Maidment, SJ Strachan, D Ouarhache… - Nature Ecology & …, 2021 - nature.com
Ankylosauria is a diverse clade of armoured dinosaurs whose members were important
constituents of many Cretaceous faunas. Phylogenetic analyses imply that the clade …

Histology of ankylosaur osteoderms: implications for systematics and function

TM Scheyer, PM Sander - Journal of Vertebrate Paleontology, 2004 - Taylor & Francis
Here, we provide a comparative survey of the histology of postcranial dermal-armor
osteoderms of ankylosaurs, including material of polacanthids (Polacanthus foxii, Gastonia …

Paleobiological inferences for the Antarctic dinosaur Antarctopelta oliveroi (Ornithischia: Ankylosauria) based on bone histology of the holotype

IA Cerda, Z Gasparini, RA Coria, L Salgado… - Cretaceous …, 2019 - Elsevier
A detailed histological study of Antarctopelta oliveroi, from the Upper Cretaceous of
Antarctica, is performed in order to increase our knowledge of the ankylosaur bone histology …

A new ankylosaurid from the Upper Cretaceous Nemegt Formation of Mongolia and implications for paleoecology of armoured dinosaurs

JY Park, YN Lee, Y Kobayashi, LL Jacobs… - Scientific Reports, 2021 - nature.com
A new ankylosaurid dinosaur, Tarchia tumanovae sp. nov., has been recovered from the
Upper Cretaceous Nemegt Formation of Mongolia. It includes a well-preserved skull, dorsal …

Function and evolution of ankylosaur dermal armor

S Hayashi, K Carpenter, TM Scheyer, M Watabe… - Acta Palaeontologica …, 2010 - BioOne
Ankylosaurs have spike-, plate-, and club-shaped osteoderms probably used as defensive
and/or offensive weapons. Previous studies have proposed the evolution and function of …

[PDF][PDF] Reappraisal of an ankylosaurian dinosaur from the Upper Cretaceous of James Ross Island (Antarctica)

L Salgado, Z Gasparini - Geodiversitas, 2006 - academia.edu
The holotype of the upper Campanian ankylosaur Antarctopelta oliveroi n. gen., n. sp., from
James Ross Island, Antarctica, is described. Diagnostic characters include short cervicals …

An ankylosaurid dinosaur from Mongolia with in situ armour and keratinous scale impressions

VM Arbour, NL Lech-Hernes, TE Guldberg… - Acta Palaeontologica …, 2013 - BioOne
A Mongolian ankylosaurid specimen identified as Tarchia gigantea is an articulated skeleton
including dorsal ribs, the sacrum, a nearly complete caudal series, and in situ osteoderms …

Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs

VM Arbour, PJ Currie - Journal of Systematic Palaeontology, 2016 - Taylor & Francis
The Ankylosauria is a group of herbivorous, quadrupedal, armoured dinosaurs subdivided
into at least two major clades, the Ankylosauridae and the Nodosauridae. The most derived …