Results 51 to 60 of about 4,541 (250)
Changing palaeobiogeography during the Ordovician Period
Abstract Owing to the increasing availability of data for many fossil groups and a generally accepted palaeogeographical configuration, palaeontologists have been able to develop progressively more robust palaeobiogeographical scenarios for the spatial distributions of Ordovician marine faunas.
Servais, Thomas +5 more
openaire +2 more sources
ABSTRACT The Last Interglacial (LIG) or Marine Isotope Stage (MIS) 5e, spanning 129 to 116 kyrs ago, is recognised as one of the warmest periods in the Quaternary, with global sea surface temperatures (SSTs) 1°C–2°C higher than today, sea levels 5–10 m above the current level and biogeographical range expansion of specific tropical species into the ...
Christos Psarras +10 more
wiley +1 more source
Mind the uncertainty: Global plate model choice impacts deep‐time palaeobiological studies
Global plate models (GPMs) aim to reconstruct the tectonic evolution of the Earth by modelling the motion of the plates and continents through time. These models enable palaeobiologists to study the past distribution of extinct organisms.
Lucas Buffan +5 more
doaj +1 more source
A calcareous nannofossil and organic geochemical study of marine palaeoenvironmental changes across the Sinemurian/Pliensbachian (early Jurassic, ~191Ma) in Portugal [PDF]
The Sinemurian/Pliensbachian boundary (~ 191 Ma) is acknowledged as one of the most important steps in the radiation of planktonic organisms, especially primary producers such as dinoflagellates and coccolithophores.
Baudin, F. +6 more
core +4 more sources
Abstract The Late Cretaceous witnessed numerous transgression–regression sequences and the onset of a global cooling phase at the start of the Campanian. In the European archipelago, these environmental changes, combined with active plate tectonics, facilitated the formation of ephemeral land bridges that served as dispersal routes for a variety of ...
Olivier Jansen +5 more
wiley +1 more source
Early Eocene birds from La Borie, southern France [PDF]
The early Eocene locality of La Borie is located in the village of Saint-Papoul, in southern France. These Eocene flu-vio-lacustrine clay deposits have yielded numerous vertebrate remains.
Estelle Bourdon +2 more
doaj +1 more source
First record of the Mediterranean asteroid Sclerasterias richardi (Perrier in Milne-Edwards 1882) in the Azores Archipelago (NE Atlantic Ocean) [PDF]
The first occurrence of the Mediterranean fissiparous asteroid Sclerasterias richardi (Perrier in Milne-Edwards 1882) is reported from the Azores based upon dredged material off the south coast of São Miguel Island at 135 m depth.
Madeira, Patrícia +2 more
core
Anatomy, morphology and evolution of the patella in squamate lizards and tuatara (Sphenodon punctatus) [PDF]
The patella (kneecap) is the largest and best-known of the sesamoid bones, postulated to confer biomechanical advantages including increasing joint leverage and reinforcing the tendon against compression.
Benjamin M +18 more
core +2 more sources
Palaeobiogeography of early planktonic foraminifera
AbstractOver the last 50 years, our knowledge of early planktonic foraminifera has changed markedly. In 1958 Grigelis described “Globigerina oxfordiana” from the Upper Jurassic of Lithuania and this has, subsequently, become identified as one of the most geographically widespread of Jurassic planktonic taxa.
Christopher W. Smart +2 more
openaire +1 more source
Abstract We describe the Hettangian Caenogastropoda and Heterobranchia of the Luxembourg Sandstone Formation, a wedge of clastic sediments deposited along the eastern margin of Paris Basin during the Early Jurassic. Five new genera and 11 new species are erected: Bourguetia bipartita sp. nov., Globularia delsatei sp. nov., Oonia feidtorum sp.
Stefano Monari +3 more
wiley +1 more source

