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Aristonectes
Fossil Site: South America and Antarctica Time Period: Late Cretaceous (70-65 million years ago) Diet: Plankton and krill Size:25 feet long |
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Hyphalosaurus
Fossil Site: Eastern Asia Time Period: Early Cretaceous (125-120 million years ago) Diet: Fish and crustaceans Size:3-5 feet long |
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Platypterygius
Fossil Site: North America, Western Europe and Australia Time Period: Early Cretaceous (145-140 million years ago) Diet: omnivorous Size:23 feet long |
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Askeptosaurus
Fossil Site: Western Europe Time Period: Middle Triassic (235-225 million years ago) Diet: Fish Size:6 feet long |
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Ichthyosaurus
Fossil Site: Oceans worldwide Time Period: Early Jurassic (200-190 million years ago) Diet: Fish Size:6 feet long |
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Plesiosaurus
Fossil Site: Oceans worldwide Time Period: Early-Middle Jurassic (135-120 million years ago) Diet: Fish and mollusks Size:15 feet long |
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Attenborosaurus
Fossil Site: Western Europe Time Period: Early Jurassic (195-190 million years ago) Diet: Fish Size:16 feet long |
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Keichousaurus
Fossil Site: Asia Time Period: Triassic (245-210 million years ago) Diet: Fish Size:6 to 12 inches long |
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Pleurosaurus
Fossil Site: Western Europe Time Period: Late Jurassic (150 million years ago) Diet: Fish Size:two feet long |
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Brachauchenius
Fossil Site: North America Time Period: Late Cretaceous (95-90 million years ago) Diet: Fish and marine reptiles Size:30 feet long |
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Kronosaurus
Fossil Site: Oceans worldwide Time Period: Middle Cretaceous (110 million years ago) Diet: Fish, mollusks, and other marine reptiles Size:33 feet long |
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Plioplatecarpus
Fossil Site: North America and Western Europe Time Period: Late Cretaceous (80-75 million years ago) Diet: fish Size:18 feet long |
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Californosaurus
Fossil Site: Western North America Time Period: Late Triassic-Early Jurassic (210-200 million years ago) Diet: Fish and marine organisms Size:nine feet long |
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Lariosaurus
Fossil Site: Western Europe Time Period: Middle Triassic (235-225 million years ago) Diet: Fish and crustaceans Size:2 feet long |
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Pliosaurus
Fossil Site: Western Europe Time Period: Late Jurassic (150 million years ago) Diet: Fish, squids and aquatic reptiles Size:40 feet long |
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Ceresiosaurus
Fossil Site: Western Europe Time Period: Early Triassic (245-240 million years ago) Diet: Fish and marine reptiles Size:13 feet long |
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Leptocleidus
Fossil Site: Western Europe Time Period: Early Cretaceous (130-125 million years ago) Diet: Fish Size:10 feet long |
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Plotosaurus
Fossil Site: Oceans worldwide Time Period: Late Cretaceous (70-65 million years ago) Diet: Fish Size:40 feet long |
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Claudiosaurus
Fossil Site: Madagascar Time Period: Late Permian (250 million years ago) Diet: Fish Size:2 feet long |
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Libonectes
Fossil Site: North America Time Period: Late Cretaceous (95-90 million years ago) Diet: Fish Size:35 feet long |
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Polycotylus
Fossil Site: Oceans worldwide Time Period: Late Cretaceous (80-75 million years ago) Diet: Fish Size:15-20 feet long |
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Clidastes
Fossil Site: North America Time Period: Late Cretaceous (75-65 million years ago) Diet: Fish and marine reptiles Size:10 feet long |
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Liopleurodon
Fossil Site: Oceans worldwide Time Period: Late Jurassic (165-150 million years ago) Diet: Fish and squids Size:40 feet long |
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Prognathodon
Fossil Site: Oceans worldwide Time Period: Late Cretaceous (75-65 million years ago) Diet: Turtles, ammonites and shellfish Size:30 feet long |
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Cryptoclidus
Fossil Site: Europe Time Period: Late Jurassic (165-150 million years ago) Diet: Fish and crustaceans Size:25 feet long |
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Macroplata
Fossil Site: Western Europe Time Period: Early-Middle Jurassic (200-175 million years ago) Diet: Fish Size:15 feet long |
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Psephoderma
Fossil Site: Seashores of Europe Time Period: Late Triassic (220-205 million years ago) Diet: Shellfish and crustaceans Size:3 feet long |
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Cymbospondylus
Fossil Site: Shore of North America and Western Europe Time Period: Middle Triassic (220 million years ago) Diet: Fish and marine organisms Size:25 feet long |
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Megalneusaurus
Fossil Site: North America Time Period: Late Jurassic (155-150 million years ago) Diet: Fish, squids and aquatic reptiles Size:40 feet long |
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Rhomaleosaurus
Fossil Site: Western Europe Time Period: Early Jurassic (200-195 million years ago) Diet: Fish, squids and aquatic reptiles Size:20 feet long |
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Dakosaurus
Fossil Site: Eurasia and North and South America Time Period: Late Jurassic-Early Cretaceous (150-130 million years ago) Diet: Fish, squids and marine reptiles Size:15 feet long |
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Mesosaurus
Fossil Site: Africa and South America Time Period: Early Permian (300 million years ago) Diet: Plankton and small marine organisms Size:3 feet long |
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Shastasaurus
Fossil Site: Shorelines of the Pacific Ocean Time Period: Late Triassic (210 million years ago) Diet: Cephalopods Size:Up to 60 feet long |
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Dallasaurus
Fossil Site: North America Time Period: Middle Cretaceous (90 million years ago) Diet: fish Size:3 feet long |
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Metriorhynchus
Fossil Site: Western Europe and South America Time Period: Late Jurassic (155-145 million years ago) Diet: Fish Size:10 feet long |
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Shonisaurus
Fossil Site: Oceans worldwide Time Period: Late Triassic (225-208 million years ago) Diet: Fish, squid and cephalopods Size:50 feet long |
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Dolichorhynchops
Fossil Site: North America Time Period: Late Cretaceous (80-70 million years ago) Diet: squids Size:17 feet long |
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Mixosaurus
Fossil Site: Oceans worldwide Time Period: Middle Triassic (230 million years ago) Diet: Fish and marine organisms Size:three feet long |
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Steneosaurus
Fossil Site: Western Europe and northern Africa Time Period: Early Jurassic-Early Cretaceous (180-140 million years ago) Diet: Fish Size:Up to 12 feet long |
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Elasmosaurus
Fossil Site: Oceans Time Period: Late Cretaceous (70 million years ago) Diet: Fish and shellfish Size:45 feet long |
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Mosasaurus
Fossil Site: Oceans Time Period: Late Cretaceous (70-65 million years ago) Diet: Fish, squids, and shellfish Size:50 feet long |
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Stenopterygius
Fossil Site: Western Europe and South America Time Period: Early Jurassic (190 million years ago) Diet: Fish and marine organisms Size:six feet long |
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Eonatator
Fossil Site: North America Time Period: Middle-Late Cretaceous (90-75 million years ago) Diet: fish Size:10 feet long |
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Muraenosaurus
Fossil Site: Oceans worldwide Time Period: Late Jurassic (160-150 million years ago) Diet: Fish Size:20 feet long |
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Stereosternum
Fossil Site: South America Time Period: Early Permian (300 million years ago) Diet: Small crustaceans Size:one foot long |
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Eurhinosaurus
Fossil Site: Western Europe Time Period: Early Jurassic (200-190 million years ago) Diet: Fish and marine organisms Size:88 feet long |
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Neusticosaurus
Fossil Site: Western Europe Time Period: Middle-Late Triassic (230-200 million years ago) Diet: fish Size:8 inches long |
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Styxosaurus
Fossil Site: North America Time Period: Late Cretaceous (85-70 million years ago) Diet: Fish Size:35 feet long |
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Excalibosaurus
Fossil Site: Western Europe Time Period: Early Jurassic (195-190 million years ago) Diet: Fish and marine organisms Size:23 feet long |
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Nothosaurus
Fossil Site: Oceans worldwide Time Period: Triassic (250-210 million years ago) Diet: Fish and crustaceans Size:10 feet long |
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Tanystropheus
Fossil Site: Europe Time Period: Late Triassic (215 million years ago) Diet: fish Size:20 feet long |
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Futabasaurus
Fossil Site: Eastern Asia Time Period: Late Cretaceous (75-65 million years ago) Diet: Fish Size:20 feet long |
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Omphalosaurus
Fossil Site: North America and Western Europe Time Period: Middle Triassic (235-225 million years ago) Diet: Fish and marine organisms Size:6 feet long |
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Temnodontosaurus
Fossil Site: Western Europe Time Period: Early Jurassic (210-195 million years ago) Diet: Squids and ammonites Size:30 feet long |
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Geosaurus
Fossil Site: Oceans worldwide Time Period: Middle-late Jurassic (175-155 million years ago) Diet: Fish Size:10 feet long |
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Ophthalmosaurus
Fossil Site: Oceans worldwide Time Period: Late Jurassic (165 to 150 million years ago) Diet: Fish, squids and mollusks Size:16 feet long |
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Terminonatator
Fossil Site: North America Time Period: Late Cretaceous (80-70 million years ago) Diet: Fish Size:23 feet long |
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Globidens
Fossil Site: Oceans worldwide Time Period: Late Cretaceous (75-65 million years ago) Diet: Turtles, ammonites and bivalves Size:20 feet long |
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Pachypleurosaurus
Fossil Site: Central and Eastern Europe Time Period: Early-Middle Triassic (245-225 million years ago) Diet: Shellfish Size:3 feet long |
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Thalassiodracon
Fossil Site: Western Europe Time Period: Late Triassic-Early Jurassic (205-195 million years ago) Diet: Fish Size:6 feet long |
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Grippia
Fossil Site: Asia and North America Time Period: Early-middle Triassic (250-235 million years ago) Diet: Fish and marine organisms Size:three feet long |
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Pachyrhachis
Fossil Site: Middle East Time Period: Early Cretaceous (130-120 million years ago) Diet: Fish Size:3 feet long |
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Thililua
Fossil Site: North Africa Time Period: Middle Cretaceous (95-90 million years ago) Diet: Fish Size:18 feet long |
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Hainosaurus
Fossil Site: Asia Time Period: Late Cretaceous (80-65 million years ago) Diet: Fish, turtles and marine reptiles Size:50 feet long |
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Peloneustes
Fossil Site: Western Europe Time Period: Late Jurassic (165-160 million years ago) Diet: Squids and mollusks Size:10 feet long |
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Trinacromerum
Fossil Site: North America Time Period: Late Cretaceous (90 million years ago) Diet: Fish Size:15 feet long |
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Halisaurus
Fossil Site: North America and Western Europe Time Period: Late Cretaceous (85-75 million years ago) Diet: fish Size:12 feet long |
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Pistosaurus
Fossil Site: Europe Time Period: Middle Triassic (235-225 million years ago) Diet: Fish Size:10 feet long |
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Tylosaurus
Fossil Site: Central America Time Period: Late Cretaceous (85-80 million years ago) Diet: Fish, turtles and other reptiles Size:35 feet long |
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Henodus
Fossil Site: Western Europe Time Period: Middle Triassic (235-225 million years ago) Diet: Shellfish Size:3 feet long |
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Placochelys
Fossil Site: Western Europe Time Period: Late Triassic (230-200 million years ago) Diet: Shellfish Size:3 feet long |
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Utatsusaurus
Fossil Site: Western North America and Asia Time Period: Early Triassic (240-230 million years ago) Diet: Fish and marine organisms Size:10 feet long |
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Hovasaurus
Fossil Site: Madagascar Time Period: Late Permian-Early Triassic (255-245 million years ago) Diet: Marine organisms Size:20 inches long |
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Placodus
Fossil Site: Europe Time Period: Middle to late Triassic (230-205 million years ago) Diet: Shellfish and crustaceans Size:6 feet long |
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Woolungasaurus
Fossil Site: Australasia Time Period: Middle Cretaceous (110 million years ago) Diet: Fish Size:30 feet long |
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Hydrotherosaurus
Fossil Site: Western North America Time Period: Late Cretaceous (70-65 million years ago) Diet: Fish Size:40 feet long |
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Platecarpus
Fossil Site: North America Time Period: Late Cretaceous (85-80 million years ago) Diet: shellfish Size:14 feet long | |