Ask the ChatbotGames & QuizzesHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyVideos
Streptelasma
Table of Contents
Introduction References & Edit History Related Topics
Images
Streptelasma, of Ordovician age Silurian coral-stromatoporoid community Silurian Pentamerus community
Quizzes
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
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
Related Questions
Read Next
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
Skeleton fossil record of ancient reptiles in stone.
Do Fossil Fuels Really Come from Fossils?
Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya
The Fastest Animals on Earth
Big beaver gnawing on limb at river's edge
6 Animal Species that Mate for Life
Discover
Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya
The Fastest Animals on Earth
number zero, 0 balloon
Is Zero an Even or an Odd Number?
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
Charles Darwin, carbon print photograph by Julia Margaret Cameron, 1868.
What Darwin Got Right (and Wrong) About Evolution
Frances Perkins, c. 1939-1945
7 Female Firsts in U.S. Politics
A mug shot taken by the regional Colombia control agency in Medellin
Pablo Escobar: 8 Interesting Facts About the King of Cocaine
pyramid sunset, egypt
What’s Inside the Great Pyramid?
Streptelasma, of Ordovician age
Streptelasma, of Ordovician age

Streptelasma

fossil genus of corals
External Websites
Written and fact-checked by
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
The Editors of Encyclopaedia Britannica
Article History

Streptelasma, extinct genus of corals, existing as single animals rather than colonial forms and found as fossils in marine rocks of Ordovician to Devonian age (488 million to 359 million years old). Each horn-shaped specimen represents a single individual. The hard, and thus preserved, parts of the animal consist of a carbonate skeletal structure distinctive in form and construction.

This article was most recently revised and updated by Richard Pallardy.
Britannica Chatbot logo

Britannica Chatbot

Chatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.