North America
Trilobites


Last Updated: Jan.14,2012
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The term Trilobite refers to an extinct class of arthropods. Tri-lobe0ite alludes to the three-part, longitudinal division of their exoskeleton. These animals first appeared at the beginning of the Cambrian Period around 570 million years ago. They flourished throughout the early Paleozoic Era and then decreased in diversity until their extinction in the late Permian Period around 240 million years ago. These marine invertebrates were primarily bottom dwellers. Fossilized remains of trilobites have been found on every continent and admired by humankind, considered objects of value for thousands of years. In the town of Dudley, England, the "Dudley Locust", an Ordovician trilobite of the genus Calymene, has been collected and sold in shops since the 17th century. Today Trilobites are prized by collectors and museums throughout the world as objects of beauty and curiosity. Scientists use Trilobites as stratigraphic index fossils which help to determine the age of rock formations. The true value of trilobites, however, lies in the fascinating story which these fossils tell about the history of ancient life on Earth.

 

 

From Canada

Agraulos ceticephalus
Age - Middle Cambrian
Formation - Manuels River Formation
Location - Kelligrews, Newfoundland , Canada
Size - 7/8" ( trilobite )
Size-  3 1/2" x 2 1/2" ( matrix )
$ 350
Item # tri/agra-app 350

 
NOTE:  very special specimen from the Middle Cambrian Manuels River Formation of Kelligrews, Newfoundland.....an Agraulos ceticephalus.  This is an EXCEEDINGLY rare find for this locality- the only known occurence of Agraulos ceticephalus in Canada.  The Trilobite is in excellent condition.
 
Recent provincial laws in Newfoundland have made collecting almost any fossil material in the province illegal, so there will be no more future collecting of any fossil materials, trilobites included.  This site produced a good number of trilobite species, including Paradoxides and Niobella (among others), but Agraulos ceticephalus was perhaps the rarest of the rare from this locality.
 
A fantastic specimen, in great condition, from a site no longer collectable

Arbetella nitida Resser 1908
Age - Middle Cambrian
Formation -
Ross Lake Shale Member, Cathedral  Formation
Location -
Continental Divide, Southern Alberta,  Canada
Size - 3/8" ( trilobite )
Size-  2 1/4" x 2" ( matrix )
$ 250
Item # tri/arbet-app 250
Note:
This is an INCREDIBLY rare trilobite....they are not commonly collected by anyone because they are out in the middle of nowhere.  Only the top collectors of trilobites have some of these. These trilobites are  rarer than some Burgess Shale Fossils.
 


Location of California Today

Location of California some
500 million years ago.

From California

The Latham Shale, Marble Mountains, San Bernadino County, California.
©2003 Stephen M. Damiani All Rights Reserved

A little history lesson.

In the Cambrian, the continent of Laurentia (now the majority of North America), was near equatorial, and oriented about ninety degrees from its current position. Close to the shorelines of Laurentia, limestone was deposited as shallow-water reefs. Beyond the limestone belt, fine sediments built in deeper offshore contours, sometimes rapidly via undersea landslides off the reef platform. These offshore deposits along the paleoequator include much of the Wheeler Shale, the Burgess Shale of western Canada, and other sites from California through Utah to the Northwest territories of Canada. All of these sites yield remarkably preserved Cambrian fossils.

The Marble Mountains is one of the best-known and most productive Cambrian trilobite localities in the state of California. This is a rather small mountain range in one of the harshest, driest parts of the Mojave Desert, in southeastern California near the towns of Chambless and Cadiz. Its trilobite-bearing rocks include exposures of the Latham Shale.

The Latham Shale is of late Early Cambrian age and occurs in outcrops scattered widely throughout San Bernardino and Inyo Counties, California. At least 12 trilobite species (mostly olenellids) have been documented there.

 

Olenellus clarki # 1
Age - Early Cambrian
Location - Marble Mountains,Ca.
Size - 2"
Size-  4 1/4" x 2 1/2" ( matrix )
$ 95
Item # tri/ollen1-app95


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Olenellus clarki # 2
Age - Early Cambrian
Location - Marble Mountains,Ca.
Size - 1"
Size-  4 1/4" x 2 1/2" ( matrix )
$ 75
Item # tri/ollen2-app 75


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Olenellus clarki # 5
Age - Early Cambrian
Location - Marble Mountains,Ca.
Size - 1" ( there are 2 partials on this plate )
Size-  6" x 2 1/2" ( matrix )
$ 50
Item # tri/ollen5-app 50
 

From Arkansas & Indiana

sold out
 

Trilobite Tracks # 4
Age - Lower Pennsylvanian
Location - Washington County, Ark.
Size - 2 1/4" long x 3/8" wide  ( trilobite track )
Size-  5 1/4" x 3" ( matrix )
$ 80
Item # tri/tracks4-app 80

Note: there are 7 distinct tracks on this plate.
 

From Kansas


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Ditomopyge decurata 56
Age -Permian
Location - Grant Summit, Kansas.
Size - 1/2" ( rolled )
$ 80
Item # tri/dito56-app 80

Note:
By The Time this Trilobite at the age of the Permian, began the end of an era . There were only 4 species of trilobite left on Earth. All were small like this one. Like this species of trilobite no trilobite made it into the Age of Dinosaur they were truly Extinct.

FYI:
Permian age trilobites are very hard to come by .


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Ditomopyge decurata 60
Age -Permian
Location - Grant Summit, Kansas.
Size - 1/2" ( rolled )
$ 80
Item # tri/dito60-app 80

Note:
By The Time this Trilobite at the age of the Permian, began the end of an era . There were only 4 species of trilobite left on Earth. All were small like this one. Like this species of trilobite no trilobite made it into the Age of Dinosaur they were truly Extinct.

FYI:
Permian age trilobites are very hard to come by .
 

From Missouri

 

From Nevada

 

From  New York

Eurypterus remipes  # 1
Age - Silurian
Location - Passage Gulf, NY.
Size - 2 3/4"
Size - 4 1/2" x 3" ( matrix )
$ 390
Item # tri/eury1-app390
  

FYI:  You can see some of the walking feet by the head.
 

From Pennsylvania

 

From Ohio

 

To see our entire On-Line Catalog Click Here!

 

From Oklahoma


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Kainops invius # 109
Age - Lower Devonian
Location - Clarita, Coal County  Oklahoma
Size -1 " ( trilobite )
Size -  1" ( matrix )
$  18
Item # tri/kain109-app18

Note: This trilobite died and fossilized in a rolled position which was caused  by being attacked by a predator or was molting it's anyone's guess.



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Kainops invius # 113
Age - Lower Devonian
Location - Clarita, Coal County  Oklahoma
Size -7/8 " ( trilobite )
Size - 1 1/4" x 1/2" ( matrix )
$  18
Item # tri/kain113-app18

Note: This trilobite died and fossilized in a rolled position which was caused  by being attacked by a predator or was molting it's anyone's guess.
 

From Utah


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Asaphicus wheeleri # 33
Age - Cambrian
Formation - Wheeleri & Harjum
Location - Millard County, Utah.
Size - 2"
Price - $ 40
Item # tri/wheel33-app 40


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Elrathia Kingii # 2
Age - Cambrian
Location - Delta, Utah.
Size - 5/8" (Elrathia )
Price - $ 20
Item # tri/el2-app 20


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Elrathia Kingii # 3
Age - Cambrian
Location - Delta, Utah.
Size - 1/2" (Elrathia )
Price - $ 18
Item # tri/el3-app18


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Elrathia Kingii # 4
Age - Cambrian
Location - Delta, Utah.
Size - 1/2" (Elrathia )
Price - $ 18
Item # tri/el4-app 18


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Elrathia Kingii # 5
Age - Cambrian
Location - Delta, Utah.
Size - 3/4" (Elrathia )
Price - $ 25
Item # tri/el5-app 25


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Elrathia Kingii # 6
Age - Cambrian
Location - Delta, Utah.
Size - 5/8" (Elrathia )
Price - $ 20
Item # tri/el6-app 20


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Elrathia Kingii # 7
Age - Cambrian
Location - Delta, Utah.
Size - 5/8" (Elrathia )
Price - $ 20
Item # tri/el7-app 20

Elrathia Kingii # 99
Age - Cambrian
Location - Delta, Utah.
Size - 1 7/8" (Elrathia )
Price - $ 40
Item # tri/el99-app 40

Note: this trilobite is in the rock that is 7" x 3"


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Perinopsis ( Better known as THE BLIND TRILOBITE )
Age - Cambrian
Location - Delta, Utah.
Size - 1/4" to 1/2"
$ 1.50 EACH  ( Min.Order 3 Specimens )
Item # tri/peri-app1.5
Note: the top picture shows how many I have in the stock and the bottom picture gives you an idea of what they look like  so all of them are the same price. Please indicate how many you want when ordering.
Elrathia Kingii
Age - Cambrian
Location - Delta, Utah.
Size - 3/8" - 3/4"
$3.00 each ( min.order 3 ) ( sold out )
Item # tri/eljwlry-app3
Perfect size and high quality for jewelry.
Elrathia Kingii
Age - Cambrian
Location - Delta, Utah.
Size - 7/8"- 1"
$6.00 each ( min.order 2 )
Item # tri/eljwlry1-app6 
Perfect size and high quality for jewelry.

Elrathia Kingii
Age - Cambrian
Location - Delta, Utah.
Size - 1 1/8" to 1 1/4"
$9.00 each
Item # tri/eljwlry2-app9
Perfect size and high quality for jewelry.
Elrathia Kingii
Age - Cambrian
Location - Delta, Utah.
Size - 1 3/8"
$18.00 each
Item # tri/eljwlry3-app18
Perfect size and high quality for jewelry.
 

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