Prehistoric Marine Reptiles



Aristonectes

Aristonectes Prehistoric Marine Reptile

Fossil Site: South America and Antarctica
Time Period: Late Cretaceous (70-65 million years ago)
Diet: Plankton and krill
Size:25 feet long

Hyphalosaurus

Hyphalosaurus Prehistoric Marine Reptile

Fossil Site: Eastern Asia
Time Period: Early Cretaceous (125-120 million years ago)
Diet: Fish and crustaceans
Size:3-5 feet long

Platypterygius

Platypterygius Prehistoric Marine Reptile

Fossil Site: North America, Western Europe and Australia
Time Period: Early Cretaceous (145-140 million years ago)
Diet: omnivorous
Size:23 feet long

Askeptosaurus

Askeptosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Middle Triassic (235-225 million years ago)
Diet: Fish
Size:6 feet long

Ichthyosaurus

Ichthyosaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Early Jurassic (200-190 million years ago)
Diet: Fish
Size:6 feet long

Plesiosaurus

Plesiosaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Early-Middle Jurassic (135-120 million years ago)
Diet: Fish and mollusks
Size:15 feet long

Attenborosaurus

Attenborosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Early Jurassic (195-190 million years ago)
Diet: Fish
Size:16 feet long

Keichousaurus

Keichousaurus Prehistoric Marine Reptile

Fossil Site: Asia
Time Period: Triassic (245-210 million years ago)
Diet: Fish
Size:6 to 12 inches long

Pleurosaurus

Pleurosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Late Jurassic (150 million years ago)
Diet: Fish
Size:two feet long

Brachauchenius

Brachauchenius Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Late Cretaceous (95-90 million years ago)
Diet: Fish and marine reptiles
Size:30 feet long

Kronosaurus

Kronosaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Middle Cretaceous (110 million years ago)
Diet: Fish, mollusks, and other marine reptiles
Size:33 feet long

Plioplatecarpus

Plioplatecarpus Prehistoric Marine Reptile

Fossil Site: North America and Western Europe
Time Period: Late Cretaceous (80-75 million years ago)
Diet: fish
Size:18 feet long

Californosaurus

Californosaurus Prehistoric Marine Reptile

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

Lariosaurus

Lariosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Middle Triassic (235-225 million years ago)
Diet: Fish and crustaceans
Size:2 feet long

Pliosaurus

Pliosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Late Jurassic (150 million years ago)
Diet: Fish, squids and aquatic reptiles
Size:40 feet long

Ceresiosaurus

Ceresiosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Early Triassic (245-240 million years ago)
Diet: Fish and marine reptiles
Size:13 feet long

Leptocleidus

Leptocleidus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Early Cretaceous (130-125 million years ago)
Diet: Fish
Size:10 feet long

Plotosaurus

Plotosaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Late Cretaceous (70-65 million years ago)
Diet: Fish
Size:40 feet long

Claudiosaurus

Claudiosaurus Prehistoric Marine Reptile

Fossil Site: Madagascar
Time Period: Late Permian (250 million years ago)
Diet: Fish
Size:2 feet long

Libonectes

Libonectes Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Late Cretaceous (95-90 million years ago)
Diet: Fish
Size:35 feet long

Polycotylus

Polycotylus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Late Cretaceous (80-75 million years ago)
Diet: Fish
Size:15-20 feet long

Clidastes

Clidastes Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Late Cretaceous (75-65 million years ago)
Diet: Fish and marine reptiles
Size:10 feet long

Liopleurodon

Liopleurodon Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Late Jurassic (165-150 million years ago)
Diet: Fish and squids
Size:40 feet long

Prognathodon

Prognathodon Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Late Cretaceous (75-65 million years ago)
Diet: Turtles, ammonites and shellfish
Size:30 feet long

Cryptoclidus

Cryptoclidus Prehistoric Marine Reptile

Fossil Site: Europe
Time Period: Late Jurassic (165-150 million years ago)
Diet: Fish and crustaceans
Size:25 feet long

Macroplata

Macroplata Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Early-Middle Jurassic (200-175 million years ago)
Diet: Fish
Size:15 feet long

Psephoderma

Psephoderma Prehistoric Marine Reptile

Fossil Site: Seashores of Europe
Time Period: Late Triassic (220-205 million years ago)
Diet: Shellfish and crustaceans
Size:3 feet long

Cymbospondylus

Cymbospondylus Prehistoric Marine Reptile

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

Megalneusaurus

Megalneusaurus Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Late Jurassic (155-150 million years ago)
Diet: Fish, squids and aquatic reptiles
Size:40 feet long

Rhomaleosaurus

Rhomaleosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Early Jurassic (200-195 million years ago)
Diet: Fish, squids and aquatic reptiles
Size:20 feet long

Dakosaurus

Dakosaurus Prehistoric Marine Reptile

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

Mesosaurus

Mesosaurus Prehistoric Marine Reptile

Fossil Site: Africa and South America
Time Period: Early Permian (300 million years ago)
Diet: Plankton and small marine organisms
Size:3 feet long

Shastasaurus

Shastasaurus Prehistoric Marine Reptile

Fossil Site: Shorelines of the Pacific Ocean
Time Period: Late Triassic (210 million years ago)
Diet: Cephalopods
Size:Up to 60 feet long

Dallasaurus

Dallasaurus Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Middle Cretaceous (90 million years ago)
Diet: fish
Size:3 feet long

Metriorhynchus

Metriorhynchus Prehistoric Marine Reptile

Fossil Site: Western Europe and South America
Time Period: Late Jurassic (155-145 million years ago)
Diet: Fish
Size:10 feet long

Shonisaurus

Shonisaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Late Triassic (225-208 million years ago)
Diet: Fish, squid and cephalopods
Size:50 feet long

Dolichorhynchops

Dolichorhynchops Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Late Cretaceous (80-70 million years ago)
Diet: squids
Size:17 feet long

Mixosaurus

Mixosaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Middle Triassic (230 million years ago)
Diet: Fish and marine organisms
Size:three feet long

Steneosaurus

Steneosaurus Prehistoric Marine Reptile

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

Elasmosaurus

Elasmosaurus Prehistoric Marine Reptile

Fossil Site: Oceans
Time Period: Late Cretaceous (70 million years ago)
Diet: Fish and shellfish
Size:45 feet long

Mosasaurus

Mosasaurus Prehistoric Marine Reptile

Fossil Site: Oceans
Time Period: Late Cretaceous (70-65 million years ago)
Diet: Fish, squids, and shellfish
Size:50 feet long

Stenopterygius

Stenopterygius Prehistoric Marine Reptile

Fossil Site: Western Europe and South America
Time Period: Early Jurassic (190 million years ago)
Diet: Fish and marine organisms
Size:six feet long

Eonatator

Eonatator Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Middle-Late Cretaceous (90-75 million years ago)
Diet: fish
Size:10 feet long

Muraenosaurus

Muraenosaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Late Jurassic (160-150 million years ago)
Diet: Fish
Size:20 feet long

Stereosternum

Stereosternum Prehistoric Marine Reptile

Fossil Site: South America
Time Period: Early Permian (300 million years ago)
Diet: Small crustaceans
Size:one foot long

Eurhinosaurus

Eurhinosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Early Jurassic (200-190 million years ago)
Diet: Fish and marine organisms
Size:88 feet long

Neusticosaurus

Neusticosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Middle-Late Triassic (230-200 million years ago)
Diet: fish
Size:8 inches long

Styxosaurus

Styxosaurus Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Late Cretaceous (85-70 million years ago)
Diet: Fish
Size:35 feet long

Excalibosaurus

Excalibosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Early Jurassic (195-190 million years ago)
Diet: Fish and marine organisms
Size:23 feet long

Nothosaurus

Nothosaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Triassic (250-210 million years ago)
Diet: Fish and crustaceans
Size:10 feet long

Tanystropheus

Tanystropheus Prehistoric Marine Reptile

Fossil Site: Europe
Time Period: Late Triassic (215 million years ago)
Diet: fish
Size:20 feet long

Futabasaurus

Futabasaurus Prehistoric Marine Reptile

Fossil Site: Eastern Asia
Time Period: Late Cretaceous (75-65 million years ago)
Diet: Fish
Size:20 feet long

Omphalosaurus

Omphalosaurus Prehistoric Marine Reptile

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

Temnodontosaurus

Temnodontosaurus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Early Jurassic (210-195 million years ago)
Diet: Squids and ammonites
Size:30 feet long

Geosaurus

Geosaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Middle-late Jurassic (175-155 million years ago)
Diet: Fish
Size:10 feet long

Ophthalmosaurus

Ophthalmosaurus Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Late Jurassic (165 to 150 million years ago)
Diet: Fish, squids and mollusks
Size:16 feet long

Terminonatator

Terminonatator Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Late Cretaceous (80-70 million years ago)
Diet: Fish
Size:23 feet long

Globidens

Globidens Prehistoric Marine Reptile

Fossil Site: Oceans worldwide
Time Period: Late Cretaceous (75-65 million years ago)
Diet: Turtles, ammonites and bivalves
Size:20 feet long

Pachypleurosaurus

Pachypleurosaurus Prehistoric Marine Reptile

Fossil Site: Central and Eastern Europe
Time Period: Early-Middle Triassic (245-225 million years ago)
Diet: Shellfish
Size:3 feet long

Thalassiodracon

Thalassiodracon Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Late Triassic-Early Jurassic (205-195 million years ago)
Diet: Fish
Size:6 feet long

Grippia

Grippia Prehistoric Marine Reptile

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

Pachyrhachis

Pachyrhachis Prehistoric Marine Reptile

Fossil Site: Middle East
Time Period: Early Cretaceous (130-120 million years ago)
Diet: Fish
Size:3 feet long

Thililua

Thililua Prehistoric Marine Reptile

Fossil Site: North Africa
Time Period: Middle Cretaceous (95-90 million years ago)
Diet: Fish
Size:18 feet long

Hainosaurus

Hainosaurus Prehistoric Marine Reptile

Fossil Site: Asia
Time Period: Late Cretaceous (80-65 million years ago)
Diet: Fish, turtles and marine reptiles
Size:50 feet long

Peloneustes

Peloneustes Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Late Jurassic (165-160 million years ago)
Diet: Squids and mollusks
Size:10 feet long

Trinacromerum

Trinacromerum Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Late Cretaceous (90 million years ago)
Diet: Fish
Size:15 feet long

Halisaurus

Halisaurus Prehistoric Marine Reptile

Fossil Site: North America and Western Europe
Time Period: Late Cretaceous (85-75 million years ago)
Diet: fish
Size:12 feet long

Pistosaurus

Pistosaurus Prehistoric Marine Reptile

Fossil Site: Europe
Time Period: Middle Triassic (235-225 million years ago)
Diet: Fish
Size:10 feet long

Tylosaurus

Tylosaurus Prehistoric Marine Reptile

Fossil Site: Central America
Time Period: Late Cretaceous (85-80 million years ago)
Diet: Fish, turtles and other reptiles
Size:35 feet long

Henodus

Henodus Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Middle Triassic (235-225 million years ago)
Diet: Shellfish
Size:3 feet long

Placochelys

Placochelys Prehistoric Marine Reptile

Fossil Site: Western Europe
Time Period: Late Triassic (230-200 million years ago)
Diet: Shellfish
Size:3 feet long

Utatsusaurus

Utatsusaurus Prehistoric Marine Reptile

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

Hovasaurus

Hovasaurus Prehistoric Marine Reptile

Fossil Site: Madagascar
Time Period: Late Permian-Early Triassic (255-245 million years ago)
Diet: Marine organisms
Size:20 inches long

Placodus

Placodus Prehistoric Marine Reptile

Fossil Site: Europe
Time Period: Middle to late Triassic (230-205 million years ago)
Diet: Shellfish and crustaceans
Size:6 feet long

Woolungasaurus

Woolungasaurus Prehistoric Marine Reptile

Fossil Site: Australasia
Time Period: Middle Cretaceous (110 million years ago)
Diet: Fish
Size:30 feet long

Hydrotherosaurus

Hydrotherosaurus Prehistoric Marine Reptile

Fossil Site: Western North America
Time Period: Late Cretaceous (70-65 million years ago)
Diet: Fish
Size:40 feet long

Platecarpus

Platecarpus Prehistoric Marine Reptile

Fossil Site: North America
Time Period: Late Cretaceous (85-80 million years ago)
Diet: shellfish
Size:14 feet long