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Ammonites
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| Scientific Classification |
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Ammonites are an extinct group of cephalopod molluscs that lived in
marine environments. They first appeared in the Late Silurian
or Early Devonian (about 400 million years ago), and went extinct
at the end of the
Cretaceous period
(about 65 million years ago), during the
Cretaceous-Tertiary mass extinction.
Although they outwardly physically resemble the modern Nautilus, Ammonites
are actually believed to be more closely related to cuttlefish, octopi,
and squid.
Ammonite
fossils are often (but not
always) a distinctive flattened spiral coil with visible ribs, although there
are species with unusual coil shapes, partially coiled shells, and even
uncoiled shells.
Most Ammonites are quite small, perhaps 9 inches (23 centimeters) or less
in diameter - there are however some larger types, for example
Parapuzosia seppenradensis which is found in
Cretaceous
rocks from
Germany
is sometimes upto 6½ feet (2 meters) in diameter,
Fossilized ammonites preserved in rock:
Ammonite fossils have been known
since ancient times:
- The Roman author, Pliny the Elder (23 CE to 79 CE) called the
fossils,
the "horns of Ammon", because he thought that they resembled
the ram's horns which the Egyptian god Ammon was depicted with.
- In medieval times, Ammonites were often thought to be petrified snakes,
and were often called "snake stones" or
"serpent stones". The supposed petrification was usually ascribed to
the actions of saints such as Saint Patrick (who was said to have driven the snakes
out of Ireland).
- In India, Ammonites were sometimes regarded as symbols of the god Vishnu,
and were kept in temples.
Today, modern scientists often use Ammonites and Amminoids
as "index fossils"
(fossils which are used to help
date the rocks that they are found in), particularly for
Mesozoic Era rocks. This
is possible because these fossils
are relatively abundant in rocks,
are widely distributed, and because different species evolved and went
extinct in rapid succession - thus the presence of a particular species
is indicative of rocks being formed in a particular time period.
Ammonites were cephalopod molluscs that lived in the seas between 400 and 65 million years ago
Related Information & Resources
See Also
Ammonite Books
Here are some books from Amazon.com:
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By Nicola Griffith
Griffith, Nicola
Released: April 30th, 2002
Paperback (416 pages)
 | List Price: $17.00*
Lowest New Price: $14.56*
In Stock.*
*(As of 22:09 Pacific 4 Aug 2020 More Info)
Click Here | Description:
Ammonite- Manufacturer: Del Rey
- Brand: Griffith, Nicola
- ISBN: 0345452380
- EAN: 9780345452382
- PartNumber: 9780345452382
Details:- Paperback
- Edition: Reprint
- Number of Pages: 416
- Author: Nicola Griffith
- Publication Date: April 30th, 2002
- Release Date: April 30th, 2002
Physical Description:- Size: 8.2 Inches by 5.5 Inches by 0.9 Inches
- Weight: 1.05 Pounds
Click here for more information |
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By Neale Monks
Brand: Smithsonian Books
Paperback (176 pages)
 | Lowest New Price: $24.95*
In Stock.*
*(As of 22:09 Pacific 4 Aug 2020 More Info)
Click Here | Description:
Ammonites- Manufacturer: Smithsonian Books
- Brand: Brand: Smithsonian Books
- ISBNs: 9781588340474, 1588340473
- EAN: 9781588340474
- PartNumber: unknown
Details:- Paperback
- Edition: First Printing
- Number of Pages: 176
- Authors: Neale Monks, Philip Palmer
Physical Description:- Size: 9.21 Inches by 6.05 Inches by 0.4 Inches
- Weight: 0.78 Pounds
Features:- Used Book in Good Condition
Click here for more information |
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By Dr. Alex Mustard
Ammonite Press
Released: July 15th, 2016
Paperback (192 pages)
 | List Price: $34.95*
Lowest Used Price: $13.19*
Usually ships within 6 to 10 days.*
*(As of 22:09 Pacific 4 Aug 2020 More Info)
Click Here | Description:
Underwater Photography Masterclass- Manufacturer: Ammonite Press
- Brand: Ammonite Press
- ISBN: 1781452229
- EAN: 9781781452226
- PartNumber: 24352669
Details:- Paperback
- Number of Pages: 192
- Author: Dr. Alex Mustard
- Publication Date: July 15th, 2016
- Release Date: July 15th, 2016
Physical Description:- Size: 8.2499835 Inches by 9.2499815 Inches by 0.499999 Inches
- Weight: 1.55 Pounds
Features:Click here for more information |
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By Penelope Lively
Penguin Books
Released: June 23rd, 2015
Paperback (240 pages)
 | List Price: $17.00*
Lowest New Price: $13.89*
In Stock.*
*(As of 22:09 Pacific 4 Aug 2020 More Info)
Click Here | Description:
Dancing Fish and Ammonites: A Memoir- Manufacturer: Penguin Books
- ISBN: 014312627X
- EAN: 9780143126270
- PartNumber: unknown
Details:- Paperback
- Edition: Reprint
- Number of Pages: 240
- Author: Penelope Lively
- Publication Date: June 23rd, 2015
- Release Date: June 23rd, 2015
Physical Description:- Size: 7.7 Inches by 0.7 Inches by 5.0 Inches
- Weight: 0.4 Pounds
Click here for more information |
|
Ammonite Press
Released: June 1st, 2019
Hardcover (288 pages)
 | List Price: $14.95*
Lowest New Price: $12.99*
In Stock.*
*(As of 22:09 Pacific 4 Aug 2020 More Info)
Click Here | Description:
The Beatles in Pictures- Manufacturer: Ammonite Press
- Brand: Ammonite Press
- ISBN: 1781453497
- EAN: 9781781453490
- PartNumber: 275 colour and B&W photographs
Details:- Hardcover
- Edition: None
- Number of Pages: 288
- Publication Date: June 1st, 2019
- Release Date: June 1st, 2019
Physical Description:- Size: 6.5 Inches by 6.5 Inches by 0.9 Inches
- Weight: 1.32 Pounds
Click here for more information |
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By Nicola Griffith
Gollancz
Released: September 1st, 2012
Paperback (416 pages)
 | Lowest New Price: $18.47*
In Stock.*
*(As of 22:09 Pacific 4 Aug 2020 More Info)
Click Here | Description:
Ammonite. by Nicola Griffith- Manufacturer: Gollancz
- ISBN: 0575118237
- EAN: 9780575118232
- PartNumber: unknown
Details:- Paperback
- Number of Pages: 416
- Author: Nicola Griffith
- Publication Date: September 1st, 2012
- Release Date: September 1st, 2012
Physical Description:- Size: 5.43306 Inches by 7.95274 Inches by 1.10236 Inches
- Weight: 0.64374980504 Pounds
Click here for more information |
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By Jehad Haron
Verlag Unser Wissen
Released: July 13th, 2020
Paperback (72 pages)
 | Lowest New Price: $30.00*
Available to ship in 1-2 days.*
*(As of 22:09 Pacific 4 Aug 2020 More Info)
Click Here | Description:
Die Ammoniten in Ost-Amman: Eisenzeit IIC (German Edition)- Manufacturer: Verlag Unser Wissen
- ISBN: 620262616X
- EAN: 9786202626163
Details:- Paperback
- Number of Pages: 72
- Author: Jehad Haron
- Publication Date: July 13th, 2020
- Release Date: July 13th, 2020
Physical Description:- Size: 8.6614 Inches by 5.9055 Inches by 0.17 Inches
Click here for more information |
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By Walter E. Aufrecht
Eisenbrauns
Released: June 11th, 2019
Hardcover (648 pages)
 | List Price: $119.50*
Lowest New Price: $107.29*
In stock. Usually ships within 2 to 3 days.*
*(As of 22:09 Pacific 4 Aug 2020 More Info)
Click Here | Description:
A Corpus of Ammonite Inscriptions- Manufacturer: Eisenbrauns
- ISBN: 1575063441
- EAN: 9781575063447
Details:- Hardcover
- Edition: Second
- Number of Pages: 648
- Author: Walter E. Aufrecht
- Publication Date: June 11th, 2019
- Release Date: June 11th, 2019
Physical Description:- Size: 10.0 Inches by 7.0 Inches by 2.05 Inches
- Weight: 2.85057704766 Pounds
Click here for more information |
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By David Taylor
AMMONITE BOOKS
Released: October 1st, 2017
Paperback (176 pages)
 | List Price: $29.95*
Lowest New Price: $25.89*
In Stock.*
*(As of 22:09 Pacific 4 Aug 2020 More Info)
Click Here | Description:
Mastering Macro Photography- Manufacturer: Ammonite Press
- Brand: AMMONITE BOOKS
- ISBN: 1781452997
- EAN: 9781781452998
- PartNumber: 9781781452998
Details:- Paperback
- Number of Pages: 176
- Author: David Taylor
- Publication Date: October 1st, 2017
- Release Date: October 1st, 2017
Physical Description:- Size: 10.0 Inches by 10.0 Inches by 0.5 Inches
- Weight: 1.7 Pounds
Features:Click here for more information |
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