Increased pliosaurid dental disparity across the Jurassic–Cretaceous transition
Palaeontology, 2018 Pliosaurid marine reptiles played important roles in marine food chains from the Middle Jurassic to the middle Cretaceous, frequently as apex predators.
Daniel Madzia +2 more
exaly +2 more sources
A unique dentary suggests a third genus of batrachosauroidid salamander existed during the latest Cretaceous in the western USA [PDF]
Acta Palaeontologica Polonica, 2022 An incomplete salamander dentary (AMNH FARB 22965) described herein from the upper Maastrichtian Lance Formation, Wyoming, USA, exhibits a puzzling suite of features.
JAMES D. GARDNER
doaj +1 more source
First spalacotheriid and dryolestid mammals from the Cretaceous of Germany [PDF]
Acta Palaeontologica Polonica, 2022 The new spalacotheriid “symmetrodontan” Cifellitherium suderlandicum gen. et sp. nov. from the Barremian–Aptian of the Balve locality in northwestern Germany is the first record of spalacotheriids in Central Europe.
THOMAS MARTIN +4 more
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A large hadrosaurid dinosaur from Presa San Antonio, Cerro del Pueblo Formation, Coahuila, Mexico [PDF]
Acta Palaeontologica Polonica, 2021 New hadrosaurid postcranial material is reported, collected near Presa San Antonio, Parras de la Fuente municipality, Coahuila, Mexico, in a sedimentary sequence belonging to the upper Campanian of the Cerro del Pueblo Formation, in the Parras Basin. The
Rogelio Antonio Reyna-Hernández +3 more
doaj +1 more source
A new azhdarchoid pterosaur from the Lower Cretaceous of Brazil and the paleobiogeography of the Tapejaridae [PDF]
Acta Palaeontologica Polonica, 2021 The Tapejaridae were an apparently worldwide distributed clade of edentulous pterosaurs, being a major component of several Lower Cretaceous terrestrial faunas.
Gabriela M. Cerqueira +4 more
doaj +1 more source
A new, transitional centrosaurine ceratopsid from the Upper Cretaceous Two Medicine Formation of Montana and the evolution of the ‘Styracosaurus-line' dinosaurs [PDF]
Royal Society Open Science, 2020 Ceratopsids are among the most ubiquitous dinosaur taxa from the Late Cretaceous terrestrial formations of the Western Interior of North America, comprising two subfamilies, Chasmosaurinae and Centrosaurinae.
John P. Wilson +2 more
doaj +1 more source
Dimorphism in Late Cretaceous ammonites— evidence from early Turonian ammonite faunas of the Brießnitz Formation in Saxony, Germany [PDF]
Acta Palaeontologica Polonica, 2023 Systematic palaeontological and biometric-statistical analyses (classical clustering and linear discriminant analysis) of statistically significant populations of three early Turonian ammonite species from offshore marls of the Brießnitz Formation ...
CONSTANZE WONDREJZ +2 more
doaj +1 more source
The oldest birotule-bearing freshwater sponges from the Upper Cretaceous–lower Paleocene Deccan volcanic-associated sediments of India [PDF]
Acta Palaeontologica Polonica, 2023 A new fossil occurrence of freshwater sponges (Porifera: Demospongiae) is reported from the Deccan volcanic associated Naskal intertrappean locality, deposited in an interval of
BANDANA SAMANT +8 more
doaj +1 more source
An Upper Cretaceous ichthyodectiform fish from Kyushu, Japan [PDF]
Research & Knowledge, 2017 Ichthyodectiform fishes are an exclusively extinct basal teleost clade, with a temporal range from the Middle Jurassic (Bathonian) to Upper Cretaceous (Maastrichtian).
Yoshitaka Yabumoto +2 more
doaj +1 more source
Dietary palaeoecology of an Early Cretaceous armoured dinosaur (Ornithischia; Nodosauridae) based on floral analysis of stomach contents [PDF]
Royal Society Open Science, 2020 The exceptionally well-preserved holotype of the armoured dinosaur Borealopelta markmitchelli (Ornithischia; Nodosauridae) from the Early Cretaceous (Clearwater Formation) of northern Alberta preserves a distinct mass within the abdominal cavity ...
Caleb M. Brown +6 more
doaj +1 more source