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

Elasmosaurs are recorded for the first time in the Lachman Crags Member (Beta Member) of
the Santa Marta Formation (lower Campanian) and in the Herbert Sound Member of the …

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

O'Gorman, JP, Panzeri, KM, Fernández, MS, Santillana, S., Moly, JJ & Reguero, M. July.
2017. A new elasmosaurid from the upper Maastrichtian López de Bertodano Formation …

Elasmosaurids are among the most frequently recorded marine reptile fossils from the
Campanian–Maastrichtian strata of Antarctica. Here, we describe one of the earliest …

The last twenty million years (Maastrichtian–Santonian) of Southern Hemisphere plesiosaur
history is especially well recorded in the Weddellian Province (Patagonia; Western …

O'Gorman, JP & Coria, RA September 2016. A new elasmosaurid specimen from the upper
Maastrichtian of Antarctica: new evidence of a monophyletic group of Weddellian …

The most completely articulated fossil skeleton heretofore found on the continent of
Antarctica is represented by a juvenile plesiosaur. The specimen was found in the Sandwich …

Aristonectines show a highly derived morphology among elasmosaurid plesiosaurs,
including some species with large body size. A new postcranial skeleton is described from …

O'Gorman, JP, Otero, RA & Hiller, N., 2014. A new record of an aristonectine elasmosaurid
(Sauropterygia, Plesiosauria) from the Upper Cretaceous of New Zealand: implications for …