Diplograptus

Table of Contents

Introduction References & Edit History Related Topics

Read Next

4:045 Dinosaurs: Monsters of the Past, Tyrannosaur, Trachodon, Triceratops

A Journey Through Time Since the Precambrian

Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)

Falling Stars: 10 of the Most Famous Endangered Species

Artist interpretation of space asteroids impacting earth and moon. Meteoroids, meteor impact, end of the world, danger, destruction, dinosaur extinct, Judgement Day, Doomsday Predictions, comet

Major Mass Extinctions

Japanese spider crab

10 Animals With Evolutionary Traits Plucked Straight Out of a Nightmare

Malayan Leaf Frog - Megophrys nasuta

9 Animals That Look Like Leaves

Discover

The Cheshire Cat is a fictional cat from Lewis Carroll's Alice's Adventures in Wonderland. (Alice in Wonderland)

11 Banned Books Through Time

Iraqi Army Soldiers from the 9th Mechanized Division learning to operate and maintain M1A1 Abrams Main Battle Tanks at Besmaya Combat Training Center, Baghdad, Iraq, 2011. Military training. Iraq war. U.S. Army

8 Deadliest Wars of the 21st Century

Woman tied to a ducking stool, a method of punishment by means of humiliation, beating, or death. (cucking stool)

8 Unusual Punishments Inflicted on Women Throughout History

Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics

10 Greatest Baseball Players of All Time

A human Inuit skull in a stone chambered cairn in Ilulissat in Greenland. These ancient graves are pre christian and are at least 2000

14 Tough Questions Answered

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Diplograptus: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

Ordovician Period Paleozoic Era graptolite Didymograptus Monograptus Tetragraptus Climacograptus Phyllograptus Clonograptus

Quiz

Lion (panthera leo)

Deadliest Animals Quiz

Mute swan with cygnet. (birds)

Match the Baby Animal to Its Mama Quiz

vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.

Animal Factoids

Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

Animal Group Names