ABSTRACT A new elasmosaur, Terminonatator ponteixensis, gen. et sp. nov., from the
Upper Campanian Bearpaw Formation of southwestern Saskatchewan, Canada, is one of …

The systematics of the elasmosaurid plesiosaurs from the Late Cretaceous of the Western
Interior Seaway have been contentious, with studies supporting an endemic …

In South America, the record of plesiosaurs is scarce and most of the data comes from
Argentinean–Chilean Patagonia. The very first plesiosaur from the Southern Hemisphere …

Plesiosaurs constitute a monophyletic group whose stratigraphical range is uppermost
Triassic to uppermost Cretaceous (Brown, 1981). They were large predatory marine reptiles …

ABSTRACT A newly prepared elasmosaurid plesiosaur specimen, from the Haumurian
(Upper Cretaceous) Conway Formation of North Canterbury, is more complete than any …

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 …

Three specimens of elasmosaurid plesiosaurs (Sauropterygia, Plesiosauria) from Upper
Cretaceous beds of Antarctica are described here. These include postcranial remains of a …

This study presents the first plesiosaurs recovered from the Jurassic of the Atacama Desert
that are informative at the genus level. One specimen is represented by an articulated axial …

Elasmosaurid plesiosaurian remains have been documented from non-marine to paralic
(fluvial to estuarine) sediments of the upper Campanian Dinosaur Park Formation (DPF) of …

With their short and robust forelimbs, highly kinetic skulls, and a host of unique skeletal
features, alvarezsaurids are highly specialized Mesozoic coelurosaurian theropods known …