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Cost |
Item Description
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Click Picture
for Larger Image
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$275.00 |
FO800c
This is a very nice fossil skull of a Leptauchenia from the Brule Formation in the White River Badlands of South Dakota. A
Leptauchenia was a goat-like species of terrestrial herbivore belonging to
the Oreodont family. This fossil is from the Oligocene period and is
about 30 million years old. The highly detailed upper skull is in matrix
that measures 3 3/4" long x
2" wide x 3" tall. This
Leptauchenia skull is very detailed
and rests in a light colored
limestone matrix that has been mostly carefully removed to further expose the
fossil. An awesome fossil to display in your collection!
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The Oreodonta is an extinct suborder of mammal in Order Artiodactyla, and
therefore distantly related to pigs, hogs, camels, hippopotamuses, and the
pig-like peccaries. Over 50 species of Oreodonta have been described. They
first appeared some 50 million years ago during the warm Eocene and were
widely prevalent during the Oligocene in the grasslands, prairies or
savannas of what is now the North American badlands. Today, fossil jaws and
teeth of the Oreodonta are commonly found in the White River badlands in
South Dakota, Nebraska, and Wyoming. Oreodonts are Artiodactyls, even toed
ungulates, sometimes called a cross between a pig and a sheep. Note that
they have both large canine front teeth, but also molars for chewing plants.
They were herding animals and grazers, eating mostly grasses. They averaged
three to four feet long.
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Leptauchenia
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$35.00 |
FO802c
Here is something different from the Rock Shed's Fossil department.
This is a very nice fossilized fish from the Santana Formation, Ceara,
Brazil. We believe the fish species to be Rhacolepis Buccaulis. The
well-preserved fossil has extraordinary detail and measures almost 5 3/4" long x
1 1/8" wide in matrix measuring 6 1/2" x almost 2 1/8" x 1 1/2". The very cool fossil has not been polished and makes an
excellent display for any collection.
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The Santana Formation is in the Araripe Basin near it's namesake,
the village of Santana in northeastern Brazil. During the early
Cretaceous period, the South Atlantic was opening up in a long narrow
shallow sea. The Santana Formation has exceeding well preserved and
diverse fossil assemlage including some 25 species of fossil fishes often
found with preserved stomach contents. There are also fine examples
of pterosaurs, reptiles and amphibians, invertebrates and plants.
The taphonomy of the site resulted in limestone accretions that formed
nodules around dead organisms, preserving even soft parts of them.
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Fossil Fish
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$85.00 |
FO803b
Here is a great find! This is a very nice, above average quality,
fossilized Ammonite from Morocco. The specimen was carefully chiseled out
of the original matrix revealing the detailed ridges of the Ammonite. It
measures 6 1/2"
x 4 7/8" x 2 7/8" thick; weighs over 4 pounds and has not been
polished. A super cool fossil.
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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.
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Ammonite
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$25.00 |
FO804b This
is a neat find, a complete Ammonite from Nigeria in matrix. This fossil
has not been polished or cut. The complete specimen measures nearly 3 3/4"
x 2 3/4" x 2". The Ammonite itself is 2 3/4" x 2 1/4" x
2". There are imprints of other fossils in the matrix along
with additional fossil pieces. An awesome fossil Ammonite for any collection!
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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.
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Ammonite
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$40.00 |
FO805b This is an
unique and very nice Fossil Shrimp specimen from Lebanon. The species is
Carpopenaeus callirostris and are from the Cretaceous Age, some 90
million years ago. The highly detailed specimen has a very nice shrimp
fossil measuring 1" x 1/2" not including the antennae that extends to
the edge of the limestone. The light colored Limestone matrix measures 2
5/8" x 2 1/4" x 1/8" thick. Very cool!
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Shrimp
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$35.00 |
FO808c
This is an interesting Fossil Fish from the Eocene Age from the Green
River Formation, Lincoln County, Wyoming. The unique specimen is a fossil
fish Diplomystus dentatus. The very nicely detailed
fossil measures nearly 4 3/8" from head to tail x 1 3/8". The specimen overall measures
nearly 7" x almost 4 7/8" x 5/8" thick. This fossil fish lived some 50 million
years ago and are found in a light colored Limestone.
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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.
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.
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Diplomystus
Fish
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$20.00 |
FO809b
Here is something different from the Rock Shed's
gift department. This is a very nice, above average quality Fossil
Shell Dish. It measures 4" x 3" 1 1/8" with a great polish to show
the fine detail. A true work of nature and
man. Another photo
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Fossil Shell Dish
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$20.00 |
FO810b This is a
very nice, high quality fossilized Starfish in matrix from Morocco.
The Starfish measures 1 7/8" x 2" in a fossilized matrix measuring
4" x 3 1/4" x
1" thick. This Starfish fossil is from the Ordovician Period some 450 to 510 million
years ago and was found in the Kataoua Formation in Morocco.
Very nice! A
very nice addition to your fossil collection.
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Starfish
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$12.00 |
FO811b
This is a very nice Sand Shark's Tooth Fossil in matrix from Morocco. The
specie name is Otodus Obliquus and it is from the Eocene period.
This cool Shark's tooth measures 1 3/8" diagonally x 1 1/2" wide and is in matrix of 3
1/2" x
3 3/8" x
1 5/8" thick. Although this is a real tooth it has been placed in
it's Native Moroccan material where Shark teeth are also found in the
matrix. This is done to give the fossil a better display. Nice! Another photo
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Sand Shark or Otodus
obliquus – (the Great Grandfather of the Megalodon) is one of the earliest
mackerel sharks. These teeth are noted for their wide triangular crown and
large side cusps (occasionally multiple side cusps). The Otodus obliquus
was the king of the early Eocene, approximately 50-55 million years ago.
These large teeth are very showy, making them a must have for every fossil
shark teeth collection. Large Otodus obliquus teeth are not easily located
in the phosphate pits in Atlas Mountains of Morocco, but can still be
affordable.
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Shark Tooth
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$100.00 |
FO813b
Here are very nice, above average quality, Orthoceras fossil
specimens cut into a free form plaque. The interesting all natural
and unpolished plaque measures 8 1/2" x 8" wide x 2" thick and
weighs nearly 5 pounds.
The fossils on the face have been chipped out of the matrix and polished
to reveal very good detail and unique characteristics. They range
from 3/4" to 4 1/4" long.
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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.
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Orthoceras
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$75.00 |
FO814b
Here is something different for the fossil collector. This is a very
nice above average quality, colorful Ammonite. The exterior has been
smoothed and polished on both sides to show the highly detailed suture
lines. The specimen measures 6 1/4" x 5 1/4"
x 1 3/8" thick and has a nice polish on both sides. This super
Ammonite fossil is from Madagascar and displays very nicely.
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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
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Ammonite
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$45.00 |
FO815b
This is a fossilized Ammonite from the early Jurassic (Lias) period
nearly 200 million years ago. This is species Dactylioceras Commune
from near Whitby in North Yorkshire, England. This is a nice quality
Ammonite with a second smaller one emerging from the matrix. The
larger Ammonite measures nearly 3 1/8" x 2 3/4"
in a matrix that is almost 3 3/4" x 3 1/2" x 1 3/8" overall.
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Dactylioceras Ammonite
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$75.00 |
FO817c This
is a very nice find of a high quality Schafite in matrix
from South Dakota. The Schafite has a natural, iridescent,
pearl-like finish. The larger Schafite measures 2 5/8" x almost
2 1/2"
x nearly 3/4" in a fossilized limestone matrix measuring
4 5/8" x 4 5/8" x 5 1/8" tall and weighs nearly 3 3/4 pounds. Close observation will reveal
many other partial to semi-complete fossils throughout the matrix.
These fossils make great gifts or work wonderful as an educational tool
for school, scouts or clubs.
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This fossil is a member of the Species Hoploscaphites Nicoletti
which is
from the Cretaceous Period some 60 million years ago. It is from the
Fox Hills Formation in South Dakota.
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Schafite
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$28.00 |
FO818b Here is
something different from the Rock Shed's Fossil department. This is
a very nice Fossil Leaf specimen from the Eocene Age from the Hell Creek
Formation in Montana. This very cool specimen has leaves that look to be
from Willow trees. The longer of the two interesting fossil leaf specimens measures
2 3/4"
long and the other one is almost 2". They are in a light colored limestone matrix measuring
5 5/8" x 3
1/2" x
almost 3/4" thick and weighs nearly one pound. The matrix
has an obvious crack where it was repaired but is solid; all reflected in
our price. Very nice.
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Fossil Willow Leaves
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$35.00 |
FO820c This
is a nice Fossil Knightia eocaena Fish from the Eocene Age from the
Green River Formation, Lincoln County, Wyoming. The Fossil Fish measures 4
7/8" head to tail
x 1 7/8". The
specimen overall is 6" x 4 5/8" x 3/8" thick. These
fossil fish lived some 50 million years ago and are naturally found in a
light colored Limestone.
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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.
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.
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Knightia Fish
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$100.00 |
FO822c
This is a slab of Petrified Toriedo Petrified Wood specimen with unusual
Worm Holes from the beautiful Black Hills of South
Dakota. It measures 8 3/4" x 5 1/4" x 1 7/8"
thick and is highly polished on the front face. This great piece was cut
and polished in our very own
Lapidary Department. This beautiful
specimen has a nice shaded Brown color with Darker and lighter Brown accents. This material is unique in that it is very unpredictable;
this fantastic piece has lots of clearly visible worm holes making it a truly
one-of-a-kind item. Grab this one quick! It is
actually a bit darker than appears in the photo. A perfect
work of nature. Another photo
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Petrified Wood is a type of a fossil as it consists of fossil wood where
all the organic materials have been replaced with minerals while retaining
the original structure of the wood. These minerals are most often Silicates
such as Quartz. Other minerals, Manganese, Iron and Copper, in the water
or mud during the petrification process give Petrified Wood a variety of color
ranges: black - Carbon; green/blue - Copper; red/brown/yellow - Iron.
Petrified Wood can preserve the original structure of the wood in all its
detail all the way down to the microscopic level. Structures such as
tree rings and the various tissues are often observed features. Although
Petrified Wood can be found worldwide, it is rather rare in larger quantities
and at times can be difficult to obtain by the average collector.
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Black Hills Petrified Wood
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