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

Among the most enigmatic and controversial plesiosaurian clades is the Early Cretaceous
Leptocleididae, a small group of (mostly) short-necked taxa with 'intermediate'or …

Sachs, S. & Kear, BP November 2018. A rare new Pliensbachian plesiosaurian from the
Amaltheenton Formation of Bielefeld in northwestern Germany. Alcheringa 42, 487-500 …

The holotype (KUVP 1301) of Styxosaurus snowii—one of the earliest described
elasmosaurid plesiosaurians—consists of a well-preserved cranium, mandible and …

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 …

We provide a complete description of one of the oldest plesiosaurians, Stratesaurus taylori
from the earliest Hettangian of the United Kingdom. At least 25 apomorphies distinguish S …

Described in 1858, Trematospondylus macrocephalus is one of the earliest established
plesiosaur taxa. However, despite being historically significant, the taxon disappeared from …

We describe the syntype postcranial skeletons of the cryptoclidid plesiosauroid
Colymbosaurus megadeirus. C. megadeirus is the type species of Colymbosaurus, and one …

Plesiosaurus tournemirensis Sciau, Crochet and Mattei, based on a nearly complete
skeleton with skull from the Upper Toarcian (Lower Jurassic) of Tournemire (Aveyron …

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) …