The first isolated and well-preserved phalanx (autopodial element) of a generically and
specifically indeterminate (probably xenopsarian) plesiosaur from the Maastrichtian type …

Elasmosaurids are one of the most abundant fossil marine reptile groups identified from the
Upper Cretaceous strata of Antarctica. However, the documented record of intact …

Elasmosaurids are a monophyletic group of cosmopolitan plesiosaurs with extremely long
necks. Although abundant elasmosaurid material has been collected from the Upper …

Twenty-two ammonite species are identified in the upper Albian Mortoniceras
(Subschloenbachia) rostratum, Mortoniceras (Subschloenbachia) perinflatum and …

Abstract The Early–Late Cretaceous transition (late Albian–early Cenomanian;~ 100 Ma)
witnessed marked environmental changes and a deep reorganization of the marine fauna …

Four vertebrae of a plesiosaur were recovered from the Katterfeld Formation of the Aysén
Basin, north of Lago General Carrera, in the Patagonian Cordillera of Chile. Plesiosaur …

Body size is the key to understanding many biological properties. Sizes of extinct animals
are usually estimated from body reconstructions since their masses can not be weighed …

A new Plesiosauria specimen from the Cenomanian (early Late Cretaceous) of Algora
(Castilla-La-Mancha, Spain) is described here. It represents the first one found in this area …

The holotype specimen of Alexandronectes zealandiensis is analyzed using digital
reconstruction based on CT scans. Additional information regarding internal anatomy or …

Although knowledge of Mesozoic marine reptiles from Antarctica has improved considerably
in recent years, associated and well-preserved skeletal material of these animals remains …