Facts about Trilobites, an extinct prehistoric animal

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Dinosaur Jungle   >   Other Prehistoric Animals   >   Trilobites

Trilobites



Trilobite Fossil
Click here for more Trilobite Pictures

Scientific Classification
  Kingdom Animalia
  Superphylum Ecdysozoa
  (unranked) Panarthropoda
  Phylum Arthropoda
  Class Trilobita
Trilobites are an extinct group of arthropods (the same phylum that contains insects, spiders, crustaceans such as crabs and lobsters, centipedes, millipedes, etc.). They first appeared in the early Cambrian period about 530 million years ago, were largely wiped out during the late Devonian mass extinction about 364 million years ago, and finally went completely extinct during the Permian-Triassic mass extinction that took place 248 million years ago.

Trilobites are one of the most well-known fossil groups, and highly diverse, and are found in many different locations. Over 17,000 species are known from fossils, which are usually just of the animal's exoskeleton, although occasionally soft bodies are also found in fossils. The fact that Trilobites are so widespread and diverse, and that they evolved rapidly over time, often allows their use as "index fossils" - that is to say that rocks can be dated based on the particular type of Trilobites found within them.

Trilobite fossil

During life, all Trilobites are believed to have been exclusively marine organisms, although they do appear to have led many different lifestyles. Trilobites lived in both shallow and deep water, and although most lived in the seas, there is some evidence (such as trace fossils) that some species may have been able to live in freshwater. Various different types of Trilobites are believed to have been swimming plankton feeders, predators, scavengers, and in some cases, to have even got their food from symbiotic sulfur-eating bacteria.

One final interesting fact about Trilobites is that they are not thought to have been able to cross deep oceans. Thus, the presence of two distinct types of Trilobites (as well two distinct types of Graptolites) of Trilobites in the rocks of Europe and North America is suggestive that an ocean (known as the "Iapetus Ocean") once divided the two continents. The Iapetus Ocean is thought to have closed-up again when all the continents joined together in the super-continent of Pangaea - when a new ocean (the Atlantic Ocean), separating Europe and North America, did subsequently form when Pangaea broke up, it did so along a different line of separation.

Trilobites Timeline:



Trilobites were arthropods that lived in the seas between 530 and 248 million years ago

Trilobites were arthropods that lived in the seas between 530 and 248 million years ago


Related Information & Resources


See Also

Trilobite Books


Here are some books from Amazon.com:

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The Trilobite Collector's Guide
By Andy Secher

Columbia University Press
Released: January 23rd, 2024
Hardcover (472 pages)

The Trilobite Collector s Guide
List Price: $59.95*
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Description:
The Trilobite Collector's Guide
  • Manufacturer: Columbia University Press
  • ISBN: 0231213808
  • EAN: 9780231213806
  • PartNumber: 9780231213806
Details:
  • Hardcover
  • Number of Pages: 472
  • Author: Andy Secher
  • Publication Date: January 23rd, 2024
  • Release Date: January 23rd, 2024
Physical Description:
  • Size: 11.5 inches by 9.0 inches by 1.25 inches
  • Weight: 4.299014109 Pounds
Click here for more information
JIANEEXSQ Real Trilobite Fossil from Hunan of China 450 Million Years Ago for Collections and Education
JIANEEXSQ
Unknown Binding (0 pages)

JIANEEXSQ Real Trilobite Fossil from Hunan of China 450 Million Years Ago for Collections and Education
Lowest New Price: $18.99*
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Description:
JIANEEXSQ Real Trilobite Fossil from Hunan of China 450 Million Years Ago for Collections and Education
  • Manufacturer: LINGLONGSHIJI
  • Brand: JIANEEXSQ
  • Model: 00162021
  • UPC: 768492004585
  • EAN: 0768492004585
  • PartNumber: 00162021
Details:
  • Product Category: Unknown Binding
  • Number of Pages: 0
Features:
  • Feature: It is real, nature and authentic. Not fake or man-made.
  • Size: It is variation 5cm - 8cm. Send by random.
  • Note: Coz it is real fossil, each will be slightly different in shape, color, and size. Send by random.
  • From: It is from the Hunan Province of China. Time: 450 million years ago silurian period.
  • Gift: Memorable gift to friend, kids or family.
  • Number of items: 1
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Trilobite: Eyewitness to Evolution
By Richard Fortey

Vintage
Released: November 13th, 2001
Grey Paperback (320 pages)

Trilobite: Eyewitness to Evolution
List Price: $19.00*
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Description:
Trilobite: Eyewitness to Evolution
  • Manufacturer: Knopf Doubleday Publishing Group
  • Brand: Vintage
  • ISBNs: 9780375706219, 0375706216
  • EAN: 9780375706219
  • PartNumber: 70341
Details:
  • Paperback
  • Edition: First Edition
  • Number of Pages: 320
  • Author: Richard Fortey
  • Publication Date: November 13th, 2001
  • Release Date: November 13th, 2001
Physical Description:
  • Size: 8.0 inches by 5.1875 inches by 0.8 inches
  • Weight: 0.6503636729 Pounds
  • Color: Grey
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Travels with Trilobites: Adventures in the Paleozoic
By Andy Secher

Columbia University Press
Released: June 21st, 2022
Hardcover (416 pages)

Travels with Trilobites: Adventures in the Paleozoic
List Price: $39.95*
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Description:
Travels with Trilobites: Adventures in the Paleozoic
  • Manufacturer: Columbia University Press
  • ISBN: 023120096X
  • EAN: 9780231200967
  • PartNumber: RP 00123900
Details:
  • Hardcover
  • Number of Pages: 416
  • Author: Andy Secher
  • Publication Date: June 21st, 2022
  • Release Date: June 21st, 2022
Physical Description:
  • Size: 11.0 inches by 8.75 inches by 1.25 inches
  • Weight: 2.314853751 Pounds
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Trilobites (Books for Young Learners)
By Lola M. Schaefer

Richard C Owen Publishers
Released: July 1st, 2001
Paperback (12 pages)

Trilobites (Books for Young Learners)
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Description:
Trilobites (Books for Young Learners)
  • Manufacturer: Richard C Owen Pub
  • Brand: Richard C Owen Publishers
  • ISBN: 1572742593
  • EAN: 9781572742598
Details:
  • Paperback
  • Format: Picture Book
  • Number of Pages: 12
  • Author: Lola M. Schaefer
  • Publication Date: July 1st, 2001
  • Release Date: July 1st, 2001
Physical Description:
  • Size: 7.0 Inches by 7.75 inches by 1.25 inches
  • Weight: 0.1 Pounds
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Try a Bite, Trilobite!: Ready-to-Read Level 1
By Jonathan Fenske

Simon Spotlight
Released: August 29th, 2023
Paperback (32 pages)

Try a Bite, Trilobite!: Ready-to-Read Level 1
List Price: $5.99*
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Description:
Try a Bite, Trilobite!: Ready-to-Read Level 1
  • Manufacturer: Simon Spotlight
  • ISBN: 1665932651
  • EAN: 9781665932653
  • PartNumber: 9781665932653
Details:
  • Paperback
  • Number of Pages: 32
  • Author: Jonathan Fenske
  • Publication Date: August 29th, 2023
  • Release Date: August 29th, 2023
Physical Description:
  • Size: 9.0 inches by 6.0 inches by 0.1 inches
  • Weight: 0.14 pounds
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Trilobites: Common Trilobites of North America (A NatureGuide Book)
By Jasper Burns

CREATESPACE
Released: January 1st, 2000
Paperback (102 pages)

Trilobites: Common Trilobites of North America (A NatureGuide Book)
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Description:
Trilobites: Common Trilobites of North America (A NatureGuide Book)
  • Manufacturer: CreateSpace Independent Publishing Platform
  • Brand: CREATESPACE
  • ISBN: 1478357940
  • EAN: 9781478357940
  • PartNumber: black & white illustrations
Details:
  • Paperback
  • Number of Pages: 102
  • Author: Jasper Burns
  • Publication Date: January 1st, 2000
  • Release Date: January 1st, 2000
Physical Description:
  • Size: 8.5 inches by 5.5 inches by 0.23 inches
  • Weight: 0.27998707274 Pounds
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The Trilobite Book: A Visual Journey
By Riccardo Levi-Setti

The University of Chicago Press
Kindle Edition (327 pages)

The Trilobite Book: A Visual Journey
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Description:
The Trilobite Book: A Visual Journey
  • Manufacturer: The University of Chicago Press
Details:
  • Kindle Edition
  • Format: Kindle eBook
  • Edition: Illustrated
  • Number of Pages: 327
  • Author: Riccardo Levi-Setti
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Good Night, Trilobite
By Steve Vanlandingham

White Dog Press
Released: October 5th, 2017
Hardcover (52 pages)

Good Night, Trilobite
List Price: $19.95*
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Description:
Good Night, Trilobite
  • Manufacturer: White Dog Press
  • Brand: White Dog Press
  • ISBN: 1935684590
  • EAN: 9781935684596
Details:
  • Hardcover
  • Edition: First Edition
  • Number of Pages: 52
  • Author: Steve Vanlandingham
  • Publication Date: October 5th, 2017
  • Release Date: October 5th, 2017
Physical Description:
  • Size: 10.25 inches by 8.25 inches by 0.5 inches
  • Weight: 1.19931470528 pounds
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Trilobite (Extinct the Story of Life on Earth)
By Ben Garrod

Zephyr
Released: February 20th, 2024
Paperback (128 pages)

Trilobite (Extinct the Story of Life on Earth)
List Price: $15.99*
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Description:
Trilobite (Extinct the Story of Life on Earth)
  • Manufacturer: Zephyr
  • ISBN: 1838935339
  • EAN: 9781838935337
Details:
  • Paperback
  • Number of Pages: 128
  • Author: Ben Garrod
  • Publication Date: February 20th, 2024
  • Release Date: February 20th, 2024
Physical Description:
  • Size: 8.45 inches by 6.0999878 inches by 0.35 inches
  • Weight: 0.42328754304 Pounds
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