Elasmosauridae is an extinct family of plesiosaurs, often called elasmosaurs. They had the longest necks of the plesiosaurs and existed from the Hauterivian...

(Plesiosauria: Elasmosauridae) from the Lower Cretaceous of northeastern Queensland, with additional notes on the phylogeny of the Elasmosauridae" (PDF). Memoirs...

and bore a longitudinal crest or keel along the sides. The family Elasmosauridae was based on the genus Elasmosaurus, the first recognized member of...

It was described and named in 2006, and was assigned to the family Elasmosauridae. The genus contains one species, F. suzukii. Futabasaurus has been estimated...

Styxosaurus is a genus of plesiosaur of the family Elasmosauridae. Styxosaurus lived during the Campanian age of the Cretaceous period. Three species are...

dubious genus of plesiosaur, an extinct marine reptile, belonging to the Elasmosauridae. The type species, Woolungasaurus glendowerensis, was named after Glendower...

Aristonectinae is a subfamily of plesiosaurs in the family Elasmosauridae. It includes the Late Cretaceous plesiosaurs Aristonectes and Kaiwhekea, traditionally...

throughout its taxonomic history. In 1941, Cabrera classified it within the Elasmosauridae based on the shape of the cranial elements, which will prove to be correct...

below follows their results, showing only the relationships within Elasmosauridae. paleontology portal Timeline of plesiosaur research List of plesiosaur...

indicate that they share many common features with the Leptocleididae and Elasmosauridae. They have been found worldwide, with specimens reported from New Zealand...

(Plesiosauria: Elasmosauridae) from the Lower Cretaceous of northeastern Queensland, with additional notes on the phylogeny of the Elasmosauridae" (PDF). Memoirs...

result. The following cladogram shows the placement of Kaiwhekea within Elasmosauridae following an analysis by Rodrigo A. Otero, 2016: paleontology portal...

Class: Reptilia Superorder: †Sauropterygia Order: †Plesiosauria Family: †Elasmosauridae Clade: †Weddellonectia Genus: †Marambionectes Species: †M. molinai Binomial...

Plesiosauridae than to the Pliosauridae. Later in the Early Cretaceous, the Elasmosauridae appeared; these were among the longest plesiosaurs, reaching up to fifteen...

below follows their results, showing only the relationships within Elasmosauridae. José P. O’Gorman, Leonardo Salgado, Eduardo B. Olivero and Sergio A...

of Canada whose family is currently disputed, but is suggested to be Elasmosauridae. The name Leurospondylus comes from a fusion of two Greek words, leuros...

reclassified to Leptocleididae, and Aristonectes was transferred to Elasmosauridae. Cladogram based on Ketchum and Benson (2010): Roberts AJ, Druckenmiller...

Callawayasaurus is a genus of plesiosaur from the family Elasmosauridae. When the holotype was first described by Samuel Paul Welles in 1962, it was described...

Elasmosauridae...

complete. This included the skull, a part not often found intact in Elasmosauridae fossils. Other elements of the fossil included the anterior cervical...

Satsuma-utsunomiya-ryu in 2019. This thesis clarified that it is the oldest Elasmosauridae in East Asia. Furthermore, during the cleaning process of Satsumautsunomiyaryu...

Its closest relative is Elasmosaurus, and both belong to the family Elasmosauridae. There are six specimens of varying states of preservation on display...

Leivanectes is a genus of plesiosaurs of the family Elasmosauridae known from Late Aptian marine deposits in central Colombia. It contains a single species...

O'Gorman (2020). "First record of Kawanectes lafquenianum (Plesiosauria, Elasmosauridae) from the La Colonia Formation of Argentina, with comments on the mandibular...

Cryptoclidus), with a medium-long neck and somewhat stocky build; Elasmosauridae, with very long, flexible necks and tiny heads; and the Cimoliasauridae...

Cimoliasauridae Cryptoclididae Cryptoclidus Microcleidus Muraenosaurus Elasmosauridae Elasmosaurus Futabasaurus Hydrotherosaurus Kimmerosaurus Libonectes...

Marenssi (2015). "Vegasaurus molyi, gen. et sp. nov. (Plesiosauria, Elasmosauridae), from the Cape Lamb Member (lower Maastrichtian) of the Snow Hill Island...

Elasmosauridae...

; Moisley, W. L. (April 1986). "Late Cretaceous reptiles (Families Elasmosauridae and Pliosauridae) from the Mangahouanga Stream, North Island, New Zealand"...

cervical vertebrae, suggest that Satsuma-unomiya-ryu belongs to the Elasmosauridae and may represent a new species. It is the oldest member of the family...