The giant Crocodile live in Dinosaur Period

Sarcosuchus and Deinosuchus are the largest crocodile in the dinosaur period.Sarcosuchus live in Egypt,Africa while Deinosuchus live in USA,North America.The different of this crocodile is Sarcosuchus is related to crocodile and Deinosuchus is related to Alligator

The giant Armadillo

Doedicurus is a giant armadillo live in South America after the Dinosaur.It's defense are it'sbody which is the shell for prevent damage and it's tail that looks like mace for attacking predator like saber tooth cat and etc

The Irish elk

Megaloceros or called Irish elk is a prehistoric deer that live in the Ice Age.Although it looks like a big deer,but it had a giant antler that look like Moose.It's antler used for fight other megaloceros and defense from predator.Human hunted Megalocceros for food and this deer give them luck.

Eurypterid,the Sea Scorpion

The Eurypterids are species of Sea Scorpion.it live in the sea to hunt prey like giant scorpion like brontoscorpio and small fish.The first eurypterid live in Ordovician Period is called Megalograptus with the giant Orthocone and the eurypterid live in Silurian Period is Pterygotus.Pterygotus is the second largest Eurypterid and the largest is Jaekelopterus.

Famous prehistoric fish

Dunkleosteus and Xiphactinus are the most popular prehistoric fish ever.Xiphactinus live in cretaceous period and had very much sharp teeth for hunt fish,small reptiles and etc.Dunkleosteus live before Xiphactinus that is in Devonian period,it's skull prevent them from injuries and damage and they don;t have teeth,instead they had a bone blade that can cut prey into half

The biggest arthropod ever to exist

                 Arthropleura, means "jointed ribs" was the biggest arthropod ever to exist. It lives in the Carboniferous period,this period is had lot of trees and swamp to make the jungle and swamp habitat. This gigantic insect eat plants and maybe had venomous bite for defense like modern centipide. Actually, this gigantic insect relative to milipede and centipide. This gigantism has been attributed to the greater abundance of oxygen in the atmosphere of this time.‭ ‬Many fossilised track‭ ‬ways have also been preserved with some even showing Arthropleura moving around trees as it made its way through the Carboniferous forests.‭  Arthropleura disappears from the fossil record during the early Permian when the climate dried and the lush forests were replaced with arid and desert like environments

Terror Birds

Gastornis and Phorusrhacos are called "Terror Bird " because they were good hunters and fast.but the difference of this two bird are Gastornis live in Eocene and Phorusrhacos live in miocene.Their diet is small creature and cubs.Their extinction is because predators hunt its eggs for food and difficult to have offspring.one more thing,the terror birds cannot fly because their wings are to small just like ostriches.

Weirdest Whale

Odobenocetops is the most weirdest marine mammal ever.People though this mammal was related to walrus,but it's actually related to whales.This whale live in Pliocene with megalodon,but this whale is also favorite meal for juvenile megalodon.It's tusk are used for finding clams and oyster in the sand.One more thing, the left tusk si shorter but the right tusk is longer

Mysterious Chinese giant herbivore

Therizinosaurus is the largest clawed herbivore live in cretaceous period.This giant herbivore founded in Mongolia,China that when it founded,people thought this hand fossil is belong to turtle.Therizinosaurus use it's claws for defense and help to cut leaves also clear path for them.

Prehistoric Whale shark

Leedsicthys is the biggest Bony fish in the world.The Leedsicthys is a filder feeder like whale shark and people call it "The Prehistoric whale shark".The Leedsicthys live in the Jurassic period with its predator Liopreurodon.Although the fossil is not completely found,but Leedsicthys is very popular and famous prehistoric fish.

The Giant Orthocone

Cameroceras or simply called Giant Orthocone is the biggest cephalopod in the world,but not bigger than giant squid,The lenght of this cephalopods is 1,8 metres and the shell size is 24 feet (7,3 meters) and live in Ordovician period and like to eat sea crustacean

Fully evolved whale

Basilosaurus (Means King Lizard) is a first fully aquatic whale to evolved.Basilosaurus got its name because paleontologist mistaken the skull as a marine reptile like mosasaurus.Basilosaurus live before the Megalodon and its diet are fish,sharks and small whales like Dorudon.

Coelacanth,the living fossil

Coelacanth is the prehistoric fish that still exist now.Long ago,people thought this fish is extinct until on 23 December 1938,founded in South Africa caught by net.People thought Coelacanth is only live in Africa until on 18 September 1997,founded in Indonesia at fish market.The difference about this two species are Coelacanth that live in Africa had blue scale while in Indonesia the scale colour is brown.In Indonesia,People called Coelacanth  "Raja laut".

Largest prehistoric sea turtle

Archelon (Means Ruler Turtle) and Protostega (Means First Roof) were the largest Sea turtle in the world.Their diet is Seaweed and Jellyfish most like modern turtle and just imagine if they were live i modern day.

Largest Prehistoric Mammal

Paraceratherium (means Near Horned Mammal) is the largest prehistoric mammal ever and its synonym are Balucitherium or Indicrotherium. It lived from the early to late Oligocene epoch; its remains have been found across Eurasia between China and the Balkans.This picture is showing the size compare to elephant and human