Page14

Sauropterygia／Ichthyopterygia

New images

New image "shoshone mountains reptile"

Shonisaurus popularis Ichthyosauria ／Shastasauridae Describer： Camp/1976 Period : Late Triassic /Place:North America Diet : carnivor = fish and cephalopods Length : up to 15 meters /Skull Length : 2.4 - 3 meters /Weight : 20 - 35 t The largest ichthyosaur, with the characteristic dolphin like shape. It had thin jaws with teeth only in the front and its limbs were extra long and narrow paddles.

New image "Fish Lizard"

Ichthyosaurus communis Ichthyosauria Describer：Beche & Conybear/ 1821 LateTriassic〜Early Jurassic〜early Cretaceous /Europe (England, Germany), Greenland, North America (Alberta) Size: 2m Diet:fish, octopus, and other swimming animals Ｔｙｐｅ　Ｓｐｅａｃｅｓ：I..communis Ichthyosaurus　is　one of the best known prehistoric animals. It had large eyes and ears that may have picked up vibrations from potential prey, usually fish or squid. It is adaptable to the underseaness fully and mammal similar pelvis on the sea of the dolphin and the whale and so on degenerates and seems to have given birth to it in water.

"near lizard"	Plesiosaur Plesiosauroidea／plesiosauroidae Early Jurassic／England・Germany／2．5ｍ
	Muraenosaurus　 Plesiosauroidea／Elasmosauridae Late Jurassic ／England-France ／６ｍ an old version

"Meuse lizard"	Mosasaurus hoffmani Ｓｑｕａｍａｔａ／Ｍｏｓａｓａｕｒｉｄａｅ Describer： W.D. Conybeare/1822 Late Cretaceous ／１０ｍ Mosasaurus was a giant, meat-eating marine reptiles that lived during the late Cretaceous period. Mosasaurus is not a dinosaur. But,They had four paddle-like limbs on a long, streamlined body and a long, powerful tail. The large head had huge jaws with many teeth. They hunted fish, turtles, mollusks, and shellfish. It Mosasaurus lived in the North Atlantic Ocean.
New image"oar wrist"	Platecarpus Ｓｑｕａｍａｔａ／Ｍｏｓａｓａｕｒｉｄａｅ Describer：Cope／1869 7.5m　long／USA/Late Cretaceous Platecarpus was probably the most common genus of mosasaur． They were medium sized Mosasaurｓ, reaching about 7.5meters in length.． Platecarpus had much less robust teeth, suggesting that they fed on smaller (or softer) prey such as small fish and squid.
New imag"before-python"	Clidastes propython Ｓｑｕａｍａｔａ／Ｍｏｓａｓａｕｒｉｄａｅ Describe：Cope／1869 ４．５−６．２ｍ　long/Ｌａｔｅ：Ｃｒｅｔａｃｅｒｐ Clidastes was one of the smallest in the mosasaur groups and also one of the most primitive.
New image "globular tooth"	Globidens alabamaensis Ｓｑｕａｍａｔａ／Ｍｏｓａｓａｕｒｉｄａｅ Describer：Gilmore /1912 In Mosasaur, Globidens is small and had the tooth of the special form for crunching the husks of a hard bivalve.
"knob lizard"	Tylosaurus Ｓｑｕａｍａｔａ／Ｍｏｓａｓａｕｒｉｄａｅ Describer： .Russell/1967 Late Cretaceous／Europe――New Zealand 　About8〜12mlong Tylosaurus was the one of the largest mosasaur types known. It was one of the largest and most terrifying marine predators that ever lived. A full grown Tylosaur grew to lengths in excess of 12ｍ.
New imag	Kronosaurus Pliosauroidea／Pliosauridae Naming person.. Longman/1924 Early Cretaceous／９ｍ Kronosaurus was a plesiosauria 9 m long with a short neck and huge head and jaws. It had rounded teeth at the back of the jaws to crush shells and cephalopods. It lived in the seas that covered parts of Australia during the early Cretaceous period. an old version
"smooth-sided tooth"	Liopleurodon ferox Pliosauroidea／Pliosauridae Describer： H.E. Sauvage /1873 (L. ferox-Martill,/1991) Late Jurassic / France, Germany, and eastern Europe/about 12m〜25ｍ long Liopleurodon is the largest plesiosaur known. 20 meters long or longer, It had whale-like with heavy head(3m), and thick neck and streamlined body. The front flippers were moved up and down while the back flippers pushed backwards. They were efficient, fast long distance swimmers that could operate at any depth. Liopleurodon fed on other aquatic reptiles, both ichthyosaurs and other plesiosaurs.
New imag "three-tipped femur"	Trinacromerum Pliosauroidea／Pliosauridae Desutributo:Cragin/ 1888 /North America Length:about3m Type Species: Trinacromerum bentonianum
New imag	Macroplata Pliosauroidea／Pliosauridae Early Jurassic／ Europe (England) Length: 4,5 m Macroplata was a early and slender Plesiosaurus with a crocodile-like skull. Its neck consisted of 29 short vertebrae. Its tooth was sharp, had the plate of the abdomen like the bone and hindlimbs was longer than the forelimbs.

New imag"plate lizard"	Elasmosaurus Plesiosauroidea／Elasmosauridae Late Cretaceous／　Asia・N-Africa／１４ｍ
New imag"futaba lizard"	Futabｓａｕｒｕｓ suzikii 　 Plesiosauroidea／Elasmosauridae 7mlong/The sea in Japan (Fukushima Prefecture) 　 Futabasuzukiryu is the reptiles of the sea discovered in Iwaki-shi, Fukushima in Japan. It will be discovered by Mr. Tadashi Suzuki who was a high school student those days in 1968, and will be unearthed in 1970. It was first Plesiosauria in Japan which can know the feature of the whole body. From the limbs like the fin Many teeth of Pleurotremata were discovered. Ftabasuzukiryu is considered that the injury by the accident or fight would be attacked by Pleurotremata and others owing to. Up to now, it had introduced this Elasmosauridae with Elasumosaurus sp. However, the scientific name named Futabasaurus szukii was applied as a new individual in 2006.
New imag"water beast lizard" 　 "water beast lizard"	Hydrotherosaurus Ｄｉｓｃｒｉｖｅｒ：Welles／1943 Plesiosauroidea Elasmosauridae Late Cretaceous ／California, USA, North America 12.75m　long　/skall　length　33cm The type species, Hydrotherosaurus alexandrae Hydrotherosaurus was an elasmosaurid plesiosaur . It had a long neck (with 60 vertebrae), a long snout, long, sharp teeth, a short, pointed tail, a streamlined body, and four flippers.

(c) 1977−2002 M.Shiraishi --All Rights Reserved

　Ｐａｇｅ16