Marine and terrestrial animals show a mosaic of lineage extinctions and diversifications
during the J urassic–C retaceous transition. However, despite its potential importance in …

Previous attempts to resolve plesiosaurian phylogeny are reviewed and a new phylogenetic
data set of 66 taxa (67% of ingroup taxa examined directly) and 178 characters (eight new) …

Marine reptile fossils are common in the Cretaceous epicontinental and continental-margin
marine deposits of Australia but much of the material is sparsely documented. A review of …

Though the Maastrichtian Phosphates of Morocco have yielded very rich marine vertebrate
assemblages, plesiosaurs remain very scarce in these strata. The only hitherto recognized …

This paper describes a new species of elasmosaurid plesiosaur, Aristonectes
quiriquinensis, sp. nov., based on a partial skeleton recovered from upper Maastrichtian …

What happens after the death of a marine tetrapod in seawater? Palaeontologists and
neontologists have claimed that large lung-breathing marine tetrapods such as ichthyosaurs …

The holotype of the elasmosaurid Aphrosaurus furlongi from the Maastrichtian levels of the
Moreno Formation is redescribed and considered a valid species based on one …

A new genus and species of an elasmosaurid plesiosaur, Futabasaurus suzukii, is
described based on a partial skeleton from the Inoceramus amakusensis Zone (Lower …

Plesiosauria is a diverse clade of marine reptiles that have been studied since the early 19th
century. However, phylogenetic relationships within the group have been contentious due to …

Two extremely-long necked elasmosaurids, AMNH 1495, holotype of Hydralmosaurus
serpentinus, and AMNH 5835, previously referred to H. serpentinus, are here reviewed in …