Stethacanthus
Quick Stethacanthus Facts:
- Lived during the Late Devonian to the Early Carboniferous Period
- Swam in oceans all over the world
- Name means "chest spike"
- May have been a scavenger
- May have been a Piscivore
Edestus
Quick Edestus Facts:
- Lived during the Late Carboniferous Period
- Swam in oceans all over the world
- Was about the size of a great white shark
- Weighed as much as a rhino
- Was a Piscivore
Helicoprion
Quick Helicoprion Facts:
- Lived during the Early Miocene to the Late Pliocene Periods
- Swam in oceans all over the world
- Was almost half the length of a semi-trailer
- Weighed as much as a horse
- May have lived off of a diet of squids
Megalodon
Quick Megalodon Facts:
- Lived during the Early Miocene to the Late Pliocene Periods
- Swam in oceans all over the world
- Its fossilized teeth were mistaken for dragon tongues
- 3 times longer than a killer whale
- Weighs half as much as a blue whale
- Lived on a diet of dolphins, giant sea turtles and whales
Hybodus
Quick Hybodus Facts:
- Lived during the Late Permian Period to the Late Cretaceous Period
- Swam in oceans all over the world
- Ate fish and other marine animals
- Was about as long as a human male is tall
- Weighed as much as a human male
Cretoxyrhina
Quick Cretoxyrhina Facts:
- Lived during the Middle to Late Cretaceous Period
- Swam in oceans all over the world
- Ate fish and other marine animals
- Was longer than a great white shark
- Weighed as much as a great white shark
Acanthostega
Quick Acanthostega Facts:
- Lived during the Late Devonian Period
- Lived in the rivers and swamps of the northern hemisphere
- Was as long as 2 rulers
- Weighed as much as a cat
- Probably lived off a diet of fish
Ichthyostega
Quick Ichthyostega Facts:
- Lived during the Late Devonian Period
- Lived in the shallow oceans of the northern hemisphere
- Had lungs and gills
- Was about 5 feet long
- Weighed approximately 50 pounds
Tiktaalik
Quick Tiktaalik Facts:
- Lived during the Late Devonian Period
- Lived in the shallow oceans of the northern hemisphere
- Was as long as an oar fish
- Was half the weight of an octopus
- Had both lungs and gills
Coelacanth
Quick Coelacanth Facts:
- Is considered a "living fossil"
- Has remained pretty much the same for 400 million years
- Can live up to 60 years
- Lives around Indonesia and Africa
- About as long as a king-sized mattress
- Weighs twice as much as an octopus
Xiphactinus
Quick Xiphactinus Facts:
- Lived during the Late Cretaceous Period
- Lived in the waters around what is now North America, Western Europe and Australia
- Was a predatory bony fish
- Was over 3 times the length of a full size bed
- Weighed as much as a grand piano
Dunkleosteus
Quick Dunkleosteus Facts:
- Lived during the Late Devonian Period.
- Lived in oceans worldwide
- Was a predatory fish
- Was longer than a London bus
- Weighed as more than a killer whale
Pikaia
Quick Pikaia Facts:
- Lived during the Early Cambrian Period
- Lived in the waters around North America
- Was the first true chordate
- The length of 3 aspirins placed end to end
- Weighed as much as a CD (compact disc)
Leedsichthys
Quick Leedsichthys Facts:
- Lived during the Middle Jurassic Period
- Lived in oceans all over the world
- Was a filter-feeder
- May have been as long as a bowling lane
- Could have weighed as little as a hippo
- Could have weighed as much as a 6 elephants
- Lived on a diet of plankton
Archaeopteryx
Quick Archaeopteryx Facts:
- Lived during the Late Jurassic Period
- Lived in what is now Europe
- Was about the size of a crow
- Most likely had black feathers
- Had hollow bones like a bird
- Had teeth like like a dinosaur
- Was a carnivore
Dodo Bird
Quick Dodo Bird Facts:
- Lived on the island of Mauritius
- Was as tall as a yard stick
- Weighed as much as a Dachshund
- Went extinct in 1681
- Couldn't fly
- Evolved from lost pigeons
Passenger Pigeon
Quick Passenger Pigeon Facts:
- Lived all over North America
- Were 3 to 5 billion living Passenger Pigeons at one point in time
- Nests contained 1 egg at a time
- Went extinct in 1914
- Was the origin of the term "stool pigeon"
- Could fly as fast as a gazelle could run
Argentavis
Quick Argentavis Facts:
- Lived in what is now South America
- Lived during the Late Miocene Period
- Weighed as much as an adult human male
- Had a wingspan as wide as a small plane
- May have flown by gliding like a hang-glider
- May have been a scavenger
Terror Bird
Quick Terror Bird Facts:
- Lived in what is now South America
- Lived during the Middle Miocene Period
- Weighed as much as a panda bear
- Could run faster than a horse
- Couldn't fly
- Was carnivorous
Elephant Bird
Quick Elephant Bird Facts:
- Went extinct during the 18th century
- Lived in Madagascar
- Was half the height of a giraffe
- Weighed more than a horse
- Probably had a diet of fruit
- Was the biggest bird of all time
