Fossil Ammonites, Fish, Orthoceras,
Trilobites and Other Fossils

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Cost

Item Description

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$13.00

Fossil Collection Kit

$110.00

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Crinoids, also known as sea lilies or feather stars, are marine animals that belong to a class of Echinoderms.  They lived in both shallow and deep water.  They are characterized by a mouth on the top surface that is surrounded by feeding arms.  Crinoids usually have a stem used to attach themselves to a substrate, but many live attached only as juveniles and become free-swimming as adults. There are only a few hundred known modern forms, but crinoids were much more numerous both in species and numbers in the past. Some thick Limestone beds dating to the mid- to late-Paleozoic are entirely made up of disarticulated crinoid fragments.

Crinoid

$210.00

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Ammonites are extinct members of the cephalopod group of mollusks. Only a limited number of species have survived to the present day which includes the squid and the chambered nautilus. Ammonites had a multi-chambered shell, and added more chambers as it grew, always living in the outer chamber.  They lived in the Cretaceous period some 63 to 130 million years ago.

Ammonite

$15.00

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This species of Sand Dollar is "Clypeasteroida" They are very beautiful specimens and have nice detail.  They are from Majanga, Madagascar and lived in the Jurassic period some 146 to 200 million years ago.

Sand Dollar

$35.00

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     In southwest Wyoming (and parts of Colorado and Utah) in the Green River Formation are found some of the world's most outstanding specimens of fossil fish.  The Green River system was composed of three lakes:  Lake Ulinta, Lake Gosiute and Fossil Lake.  These Eocene Lakes lay in a series of intermountain basins formed by geological events that uplifted the Rocky Mountains during the early Tertiary time.
The Climate was much different from the desert-like climate of this area today.  Both the fauna (crocodiles, alligators, boa constrictors and some subtropical fish families) and the flora (such as large palm trees) indicate a climate much like that found along the Gulf Coast today.  Large amounts of ash found in the sediments indicate that volcanoes were particularly active at this time.
     The fossils found in the Green River Formation are between 40-60 Million years old and are in excellent preservation.  The most common fish found in the formation is the Knightia, a herring-like fish.  They are found singularly or in large groupings. These groupings are referred to as "Mortality Layers" and are believed to have been caused by extensive ash fall-out after volcanic eruptions. Some of the other species of fish found in the Green River Formation are:  Phareodus, a carnivorous fish often found up to 2 feet in length and having many sharp teeth.  Mioplosus, a true perch, and Priscacara, a sunfish-like fish with stout dorsal and anal spines.  There are also turtles, stingrays, crocodiles and alligator gar-fish.
The  fossils of the Green River Formation - each one unique - are some of nature's finest art. They are highly valued by collectors the world over.

Knightia

$50.00

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Trilobite

$75.00

FO106b  Here is a very unique dish craved from Orthoceras fossils in matrix from Morocco.  This platter has several very nice Orthoceras carved out in a very neat design. The dish measures over 10"long x 6 7/8"wide x almost 2" weighing just over 7 pounds and has a nice polish. This would make a great gift or keep it for yourself!         

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Orthoceras is a genus of extinct Nautiloid Cephalopod.  These fossils are common and have a global distribution which occur in any marine rock, especially Limestone.  These are slender, elongated shells with the middle of the body chamber transversely constricted and a sub-central orthochoanitic siphuncle.  The surface is ornamented by a network of fine lirae or fine lines/ridges.

Fossil Dish

$45.00

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Turritella is a fossilized sea snail that lived millions of years ago.  This fossil specimen has good detail and is just unique, no other way to describe it.  This would make a great gift for the hard to buy for person or something to add to your fossil collection.

Turritella

Orthoceras

$15.00

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Petoskey stones are composed of fossilized coral, Hexagonaria percarintata, deposited in the Devonian period, some 350 million years ago. Most notable among the many places worldwide Petoskey stones are found is in the Gravel Point Formation of the Traverse Group in the northwestern portion of Michigan's lower peninsula. Similar fossilized coral stones are found in other world-wide locations including Madagascar.

Petoskey Stone

$135.00

FO104c  Here is something really cool and different for the Fossil collector.  This is a beautiful fossilized Ammonite from Western South Dakota.  One Ammonite is perched on top of the matrix and measures over 2 1/4" x 2 1/8" x  nearly 3/4". The matrix has many other fossils and evidence where others were including another Ammonite measuring nearly 1 1/2".  Together in the matrix, the specimen measure approximately 4 5/8" x almost 4"x over 3 1/4" and weighs nearly 2 1/2 pounds. The ammonite on top has been securely reattached to the matrix at some point but doesn't show and does not affect the quality of this specimen. This outstanding piece makes an excellent display item!

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Ammonites are extinct members of the cephalopod group of mollusks. Only a limited number of species have survived to the present day which includes the squid and the chambered nautilus. Ammonites had a multi-chambered shell, and added more chambers as it grew, always living in the outer chamber.  They lived in the Cretaceous period some 63 to 130 million years ago.

South Dakota Ammonite

$50.00

FO115b  Here is something different for the Fossil collector.  This is a nice fossilized end of Coprolite, also known as "Dino Dung".  It measures 6 1/2" x 4" x  2 1/2" and has been polished on the front face.  This specimen has a nice blend of color and a good design that resembles Petrified Wood.  Take it home with you today.

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Coprolite

$20.00

FO107b  Here is another very unique dish craved from Fossil Rock from Morocco.  This dish has a very neat design. The dish measures 6 1/4" long x nearly 4 5/8" wide x 5/8" tall with a lovely polish. This would make a great gift or keep it for yourself!

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Fossil Dish

$25.00

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Turritella Agate is composed of silicified fossil shells in various matrix composed of soft sandstone to a dense chalcedony. Some of the Turritella are actually shells of the freshwater gastropod, Elimia tenera.  These fossils are considered to be from the Eocene Epoch to the Cretaceous period in age.

Turritella Agate

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Large Trilobite in Matrix