Mesosaurus
Quick Mesosaurus Facts:
- Lived during the Early Permian Period
- Lived in what is now Africa and South America
- Was about the size of a Dachshund dog
- Lived in freshwater rivers and lakes
- Ate plankton and small marine animals
Ophthalmosaurus
Quick Ophthalmosaurus Facts:
- Lived during the Late Jurassic Period
- Lived in oceans worldwide
- Was a marine adapted reptile
- Could dive to great depths
- Lived off a diet of fish, mollusks and squid
Shastasaurus
Quick Shastasaurus Facts:
- Lived during the Late Triassic Period
- Lived in the Pacific Ocean
- Was a marine adapted reptile
- Was about the size of a modern sperm whale
- Lived of squids, fish and cephalopods
Shonisaurus
Quick Shonisaurus Facts:
- Lived during the Late Triassic Period
- Lived in oceans worldwide
- Was a marine adapted reptile
- Was as long as 2 killer whales placed end to end
- Was as heavy as 2 sperm whales
- Is the State fossil of Nevada
- Lived off a diet of fish and squids
Ichthyosaurus
Quick Ichthyosaurus Facts:
- Lived during the Early Jurassic Period
- Lived in oceans worldwide
- Was a marine adapted reptile
- Was about the size of an adult human male
- Could swim as fast as a dolphin
- Was a Piscivore
- Was Viviparous (gave birth to live young)
- Lived off fish and squids
Meiolania
Quick Meiolania Facts:
- Lived from the Pleistocene Period through the Modern Period
- Lived in what is now Australia
- Was longer than a refrigerator is high
- Weighed as much as a grand piano
- Was a Carnivore
Psephoderma
Quick Psephoderma Facts:
- Lived during the Late Triassic Period
- Lived in what is now Europe
- Was as long as a yard stick
- Weighed about as much as a Dachshund dog
- Was a Carnivore
Archelon
Quick Archelon Facts:
- Lived during the Late Cretaceous Period
- Lived in the oceans around what is now North America
- Was the size of a small great white shark
- Was a Carnivore
- Ate Squids and Jellyfish
Carbonemys
Quick Tetrapodophis Facts:
- Lived during the Paleocene Period
- Lived in what is now South America
- Was the size of a small car
- May have been enemies with Titanoboa
- Was a Carnivore
Tetrapodophis
Quick Tetrapodophis Facts:
- Lived during the Early Cretaceous Period
- Lived in what is now South America
- Discovery is surrounded by controversy
- Was about the length of a ruler
- Weighed as much as a hamster
- Was an Insectivore
Madtsoia
Quick Madtsoia Facts:
- Lived from the Late Cretaceous Period through the Pleistocene Period
- Lived in Africa, South America, Europe and Madagascar
- Was 3 times longer than a horse
- Weighed as much as 2 car tires
- Was a Carnivore
Gigantophis
Quick Gigantophis Facts:
- Lived during the Late Eocene Period
- Lived in what is now Asia and Africa
- Longer than a reticulated python
- May have preyed on Moeritherium
- Was a Carnivore
Titanoboa
Quick Titanoboa Facts:
- Lived during the Paleogene Period
- Lived in what is now South America
- Was twice as long as the biggest modern snake
- Was four times as heavy as a Giant Anaconda
- Was a Carnivore
Metriorhynchus
Quick Metriorhynchus Facts:
- Lived during the Late Jurassic Period
- Lived in Eurasia
- Name means "moderate snout"
- Lived primarily in the oceans
- Was a Carnivore
Dakosaurus
Quick Dakosaurus Facts:
- Lived from the Late Jurassic Period through the Early Cretaceous Period
- Lived in North and South America and Eurasia
- Name means "tearing lizard"
- Was a little smaller than a saltwater crocodile
- Weighed more than a cow
- Was a Carnivore
Purussaurus
Quick Purussaurus Facts:
- Lived during the Late Miocene Period
- Lived in what is now South America
- Name means "Purus River reptile"
- Was about twice the size of a saltwater crocodile
- Was an Omnivore
Kaprosuchus
Quick Kaprosuchus Facts:
- Lived during the Middle Cretaceous Period
- Lived in what is now North Africa
- Name means "boar crocodile"
- Was about the size of a saltwater crocodile
- Had a 2 foot long skull with tusks
- Was a Carnivore
Deinosuchus
Quick Deinosuchus Facts:
- Lived during the Late Cretaceous Period
- Lived in what is now North America
- Name means "terrible crocodile"
- Was twice as long as a saltwater crocodile
- Weighed more than an elephant
- Had a skull as long as an average human male is tall
- Was a Carnivore
Sarcosuchus
Quick Sarcosuchus Facts:
- Lived during the Early Cretaceous Period
- Lived in what is now Northern Africa
- Name means “flesh crocodile”
- The largest crocodile to ever live
- Was 15 feet longer than a saltwater crocodile
- Weighed as much as 2 elephants
- Was a Carnivore
Leptocleidus
Quick Leptocleidus Facts:
- Lived during the Early Cretaceous Period
- Lived in the lakes of what is now Europe
- Was about the size of a white-beaked dolphin
- Was a freshwater pliosaur
- Was a Piscivore