Plesiosaurs - The Adams Museum's plesiosaur represents an evolutionary link between the giant-headed pliosaurs of the Jurassic and more advanced short-necked polycotylids of the Cretaceous. It is the only known plesiosaur which has this combination of features, and is thus truly one of a kind.

Reptiles of the Ancient Seas - From the Museum of UnNatural History

Ichthyosaur with Skin - Ichthyosaurs and other marine reptiles are sometimes mistakenly called dinosaurs. This rare example shows the skin as a thin organic layer preserving the ouline of the body in a specimen at the Hunterian Museum.

M.J. Everhart's Marine Reptile References. - An alphabetical listing by author of published papers about ichthyosaurs, marine turtles, mosasaurs and plesiosaurs.

New Zealand's Ancient Marine Reptiles - Information about prehistoric marine reptiles of New Zealand, where, whom, when and what was found. Paleogeographic information, where in New Zealand to see fossil material displayed, suggested reading material and links to other related websites.

The Plesiosaur Site - This site is intended to give serious and detailed information on the Order Plesiosauria, to provide a forum for discussion and for the presentation of ideas no matter how wild and fanciful on the palaeontology, taxonomy, biomechanics, biology and ecological role of members of the order.

Oceans of Kansas Paleontology - Late Cretaceous marine fossils from the Western Interior Seaway. More than 50 pages of information on mosasaurs, plesiosaurs and other fossils found in Kansas and the Midwest.

The Ichthyosaur Page - While dinosaurs ruled the land, the ichthyosaurs shared the seas of the world with the other great groups of large marine reptiles, the plesiosaurs and mosasaurs.

Mosasaurs in Arkansas - During the late Cretaceous, half of Arkansas was submerged under a shallow ocean called the Western Interior Seaway. Mosasaurs and other strange creatures lived in this ocean. When they died, sometimes their bones were preserved as fossils.

Fossil Preparation Lab SUNY Brockport - Watch the preparation of a fossil icthyosaur found in Wyoming in 1998. Click on "Current Projects"

Mosasaur and Plesiosaur Pronunciation Guide - Having trouble pronouncing those long names? Want to know what they mean or who named them? Ben Creisler has compiled an excellent listing of the names and their origins.

Marine Reptiles of South Dakota - Mesozoic marine reptiles include crocodilians called mesosuchians, mollusk-crushing placodonts, small nothosaurs, plesiosaurs, ichthyosaurs, turtles, and mosasaurs. Mosasaurs, turtles, and pleisiosaurs left impressive fossil records of their existence in the South Dakota, but the ichthyosaurs have a meager record in the state.

Ravin' Ray's Plesiosaur FAQs - "Frequently Asked Questions": A general QandA about plesiosaurs, plus links to other plesiosaur resources.

Marine reptiles: Palaeontological Museum, University of Oslo, Norway - A collection of photographs of marine reptile specimens at various European museums

Gaia - Marine Reptiles - Lots of information about the various groups of marine reptiles.

Marine Reptiles - Links to other marine reptile sites by Richard Cowen.