Results 21 to 30 of about 289 (107)

Marine tethysuchian crocodyliform from the ?Aptian-Albian (Lower Cretaceous) of the Isle of Wight, UK [PDF]

open access: yes, 2014
A marine tethysuchian crocodyliform from the Isle of Wight, most likely from the Upper Greensand Formation (upper Albian, Lower Cretaceous), is described.
Foffa, D   +5 more
core   +1 more source

Aristonectes quiriquinensis, sp. nov., a new highly derived elasmosaurid from the upper Maastrichtian of central Chile [PDF]

open access: yes, 2014
This paper describes a new species of elasmosaurid plesiosaur, Aristonectes quiriquinensis, sp. nov., based on a partial skeleton recovered from upper Maastrichtian beds of the Quiriquina Formation of central Chile.
O'gorman, Jose Patricio   +8 more
core   +4 more sources

Kimmeridgian pliosaurids (Sauropterygia, Plesiosauria) from Tlaxiaco, Oaxaca, southern Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
Fossil remains of two specimens of the family Pliosauridae are described in the present manuscript. These fossils are from the Kimmeridgian shallow marine strata belonging to the informally known Sabinal formation deposited in the Tlaxiaco Basin, which ...
Jair Israel Barrientos-Lara   +2 more
doaj   +1 more source

Filling the Corallian gap: new information on Late Jurassic marine reptile faunas from England [PDF]

open access: yes, 2018
Two of the best known Mesozoic marine reptile assemblages can be found in units deposited in the Jurassic Sub-Boreal Seaway of the UK: the late Middle Jurassic Oxford Clay Formation (OCF) and Late Jurassic Kimmeridge Clay Formation (KCF). They record two
Brusatte, Stephen   +2 more
core   +2 more sources

Ontogeny reveals function and evolution of the hadrosaurid dinosaur dental battery [PDF]

open access: yes, 2016
BACKGROUND: Hadrosaurid dinosaurs, dominant Late Cretaceous herbivores, possessed complex dental batteries with up to 300 teeth in each jaw ramus. Despite extensive interest in the adaptive significance of the dental battery, surprisingly little is known
Aaron R. H. LeBlanc   +3 more
core   +1 more source

On the cranial anatomy of the polycotylid plesiosaurs, including new material of Polycotylus latipinnis, Cope, from Alabama [PDF]

open access: yes, 2004
The cranial anatomy of plesiosaurs in the family Polycotylidae (Reptilia: Sauropterygia) has received renewed attention recently because various skull characters are thought to indicate plesiosauroid, rather than pliosauroid, affinities for this family ...
O’Keefe, F. Robin
core   +2 more sources

A juvenile plesiosaur from the Pliensbachian (Lower Jurassic) of Asturias, Spain [PDF]

open access: yes, 2008
Mesozoic marine reptiles are poorly known in Spain (see Quesada et al., 1998 for a bibliography). Up to now, the plesiosaur record of Spain consisted only of fragmentary remains coming from the Jurassic of Asturias (Schulz, 1858; Ruiz-Omeñaca et al ...
José Carlos Garciáa-Ramos   +6 more
core   +2 more sources

A new large Pliosaurid from the Barremian (Lower Cretaceous) of Sáchica, Boyacá, Colombia

open access: yesEarth Sciences Research Journal, 2018
A new fossil MP111209-1 found in the Barremian beds of Sáchica, a town near Villa de Leiva representing the more complete skeleton found in the region is described here.
María Eurídice Páramo-Fonseca   +2 more
doaj   +1 more source

The fossil register of plesiosaurs (Diapsida, Sauropterygia) in Peru [PDF]

open access: yes, 2021
Se realiza un recuento de los registros de plesiosaurios de Perú y se describe material referido a plesiosauria depositado en el Museo de Historia Natural de la UNMSM.El registro de plesiosaurios de Perú se extiende entre el Valanginiano-Hauteriviano ...
Meza-Velez, Ivan, O'Gorman, José
core   +3 more sources

Plasticity and convergence in the evolution of short-necked plesiosaurs [PDF]

open access: yes, 2017
Plesiosaurs were the longest-surviving group of secondarily marine tetrapods, comparable in diversity to today's cetaceans. During their long evolutionary history, which spanned the Jurassic and the Cretaceous (201 to 66 Ma), plesiosaurs repeatedly ...
Arkhangelsky, Maxim S.   +8 more
core   +2 more sources

Home - About - Disclaimer - Privacy