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 …

ABSTRACT The old “Fort Benton Group”(Middle Cenomanian to Middle Turonian) in central
Kansas has produced a relatively large number of plesiosaur specimens. In modern …

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

A nearly complete skeleton of an elasmosaurid plesiosaur (NJSM 15435) from the Sharon
Springs Member (Middle Campanian) of the Pierre Shale, Logan County, Kansas, is …

The diverse ichnofaunas of the Late Triassic have been studied for almost 200 years. During
the Late Triassic, facies favorable for the preservation of trace fossils were the result of low …

Abstract The late Jurassic–early Cretaceous is commonly considered the only cold climatic
interval in Earth history without any direct evidence of polar ice. A newly discovered …

Cryptoclidids are a major clade of plesiosauromorph plesiosaurians best known from the
Middle—Late Jurassic, but little is known regarding their turnover into the Early Cretaceous …

The evolution and function of the long neck in plesiosaurs, and how the problems
associated with stiffness or flexibility were overcome during feeding, or rapid swimming …

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

Abstract The Upper Cretaceous (Maastrichtian) Sandwich Bluff Member of the López de
Bertodano Formation is well exposed on Vega Island in the James Ross Basin off the …