A new genus of small polycotylid plesiosaur from the Upper Cretaceous of the Western Interior Seaway and a clarification of the genus Dolichorhynchops
RO Clark, FR O'Keefe, SE Slack - Cretaceous Research, 2024 - Elsevier
Polycotylids are plesiosaurian marine reptiles that evolved during the Early Cretaceous and
radiated into multiple genera during the Late Cretaceous. Here we describe a small new …
radiated into multiple genera during the Late Cretaceous. Here we describe a small new …
Estimating the evolutionary rates in mosasauroids and plesiosaurs: discussion of niche occupation in Late Cretaceous seas
Observations of temporal overlap of niche occupation among Late Cretaceous marine
amniotes suggest that the rise and diversification of mosasauroid squamates might have …
amniotes suggest that the rise and diversification of mosasauroid squamates might have …
[HTML][HTML] High phenotypic plasticity at the dawn of the eosauropterygian radiation
The initial radiation of Eosauropterygia during the Triassic biotic recovery represents a key
event in the dominance of reptiles secondarily adapted to marine environments. Recent …
event in the dominance of reptiles secondarily adapted to marine environments. Recent …
The macroevolutionary landscape of short-necked plesiosaurians
Throughout their evolution, tetrapods have repeatedly colonised a series of ecological
niches in marine ecosystems, producing textbook examples of convergent evolution …
niches in marine ecosystems, producing textbook examples of convergent evolution …
[HTML][HTML] A reappraisal of the cranial and mandibular osteology of the spinosaurid Irritator challengeri (Dinosauria: Theropoda)
M Schade, OWM Rauhut, C Foth, O Moleman… - 2023 - palaeo-electronica.org
Although originally described almost three decades ago, the holotype of Irritator challengeri
from the Lower Cretaceous Romualdo Formation of Brazil still represents the most complete …
from the Lower Cretaceous Romualdo Formation of Brazil still represents the most complete …
Paleocene resurrection of a crocodylomorph taxon: Biotic crises, climatic and sea level fluctuations
Postcranial material of a crocodylomorph from the Danian of Oulad Abdoun Basin (Morocco)
is described. Several characters, in particular the shape of its dorsal osteoderms, allows its …
is described. Several characters, in particular the shape of its dorsal osteoderms, allows its …
Refining the marine reptile turnover at the Early–Middle Jurassic transition
V Fischer, R Weis, B Thuy - PeerJ, 2021 - peerj.com
Even though a handful of long-lived reptilian clades dominated Mesozoic marine
ecosystems, several biotic turnovers drastically changed the taxonomic composition of these …
ecosystems, several biotic turnovers drastically changed the taxonomic composition of these …
A new elasmosaurid plesiosaurian from the Early Cretaceous of Russia marks an early attempt at neck elongation
Plesiosaurian marine reptiles evolved a wide range of body shapes during the Jurassic and
Cretaceous, including long-necked forms. Many Late Cretaceous members of the clade …
Cretaceous, including long-necked forms. Many Late Cretaceous members of the clade …
A new elasmosaurid (Sauropterygia, Plesiosauria) from the upper levels of the La Colonia Formation (upper Maastrichtian), Chubut Province, Argentina
A new elasmosaurid, Chubutinectes carmeloi gen. et sp. nov., from the Chubut Province,
Argentina, is described. The holotype and only specimen of this species (MPEF-PV 5232) …
Argentina, is described. The holotype and only specimen of this species (MPEF-PV 5232) …
Polycotylidae (Sauropterygia, Plesiosauria) from the La Colonia Formation, Patagonia, Argentina: phylogenetic affinities of Sulcusuchus erraini and the Late …
JP O'Gorman - Cretaceous Research, 2022 - Elsevier
Polycotylids were a clade of short-necked plesiosaur that achieved a worldwide distribution
and a peak of diversity during the Albian–Turonian, reaching the K/Pg mass extinction with a …
and a peak of diversity during the Albian–Turonian, reaching the K/Pg mass extinction with a …