The holotype of Libonectes atlasense is an almost complete skeleton from Upper
Cretaceous (mid-Turonian) rocks of the Goulmima area in eastern Morocco. Initial …

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 …

The holotype of Brancasaurus brancai is one of the most historically famous and
anatomically complete Early Cretaceous plesiosaurian fossils. It derived from the …

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 …

We report a new specimen of the plesiosaur Cardiocorax mukulu that includes the most
complete plesiosaur skull from sub-Saharan Africa. The well-preserved three-dimensional …

Plesiosaurian marine reptiles evolved a wide range of body shapes during the Jurassic and
Cretaceous, including long-necked forms. Many Late Cretaceous members of the clade …

Polycotylids were a clade of short-necked plesiosaur that achieved a worldwide distribution
and a peak of diversity during the Albian–Turonian, reaching the K/Pg mass extinction with a …

Here we report on a new basal elasmosaurid plesiosaurian, Lagenanectes richterae, gen. et
sp. nov., from the Lower Cretaceous (probably Upper Hauterivian) of Germany. The material …

During the Early–Late Cretaceous transition, marine ecosystems in Eurasia hosted a diverse
set of large predatory reptiles that occupied various niches. However, most of our current …