Spatulidentatus (lit. 'spoon-shaped teeth') is an extinct genus of basal sauropterygian, part of a group of marine reptiles, known from the Middle Triassic (Anisian age) Guanling Formation of China. The genus contains a single species,...
The Plesiosauria or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia. Plesiosaurs first appeared in the latest Triassic Period, possibly in the Rhaetian stage, about 203 million years ago. They...
Hastanectes is an extinct genus of a plesiosaurian with possible pliosaurid affinities known from the Early Cretaceous Wadhurst Clay Formation (Valanginian stage) of the United Kingdom. It contains a single species, Hastanectes valdensis, which was...
Fossil reptile research published in 2026 includes peer-reviewed publications on discoveries related to reptile paleontology, as well as the description of new taxa.
Cryonectes is an extinct genus of pliosaurid plesiosaurian known from the Early Jurassic of Normandy, northern France.
Sauropterygia ("lizard flippers") is an extinct clade of diverse, generally marine reptiles that developed from terrestrial ancestors soon after the end-Permian extinction and flourished during the Triassic before all except for the Plesiosauria...
Kwangsisaurus is an extinct genus of a basal pistosauroid known from the Early or Middle Triassic (Olenekian or Anisian age) of Guangxi, southern China. It contains a single species, Kwangsisaurus orientalis.
Chubutinectes (meaning "Chubut swimmer") is an extinct genus of elasmosaurid plesiosaur from the Late Cretaceous La Colonia Formation of Argentina. The genus contains a single species, C. carmeloi, known from a partial skeleton and associated...
Terminonatator (meaning "last swimmer") is a genus of elasmosaurid plesiosaur from the Late Cretaceous of Saskatchewan, Canada. It is known from a skull and partial skeleton from a young adult, found in the Campanian-age Bearpaw Formation near...
Liopleurodon (; meaning 'smooth-sided teeth') is an extinct genus of carnivorous pliosaurid plesiosaurs that lived from the Callovian stage of the Middle Jurassic to the Kimmeridgian stage of the Late Jurassic period (approximately 166 to 155...