Black Hawk Fossils
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Black Hawk, South Dakota 57718

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New Item
FANTASTIC positive and negative living fossil!!
EXTREMELY RARE.
Genus: Crossopolis. Species: magnicaudatus.
This paddlefish is 55 million year's old. Found at the 7200 feet elevation in the Green River formation. Located near Kemmerer, Wyoming, USA.
The paddlefish are the rarest described fish in the Green River Formation, represented usually by incomplete specimens (partial skulls and tails) the body consists mostly of cartilage and notochordal tissue. They same to be found only in the Fossil Lake deposits. Paddlefish are still living today and are only found in two of the worlds large river systems. That is the Mississippi River system of North America and in the Yangtze River system in China.
These specimens are 25" long and the plates are 22" wide by 32" high and have a 5/8" wood backing with hangers attached and beautifully trimed. These would grace the finest of walls.
On the positive 156 tail and fins have been slightly enhanced.
On the negative 156b it had only a bone but the emprint from the 156 was so great in detail that I decided to enhance and preserved this specimen as well.
!!What a pair!!These plates have fantastic color,Very Excellent and Extremely Rare.
Item# FEDU156       $13,995.00
paddlefish positive paddlefish negative
Large Sting ray
Large Sting ray Large Sting ray
LARGE STING RAY WITH 8 MINNI FISH:

Heliobatis radians:
This is a 55 million year old Sting ray with minni fish. Found at 7200 feet elevation in the Green River formation. Located near Kemmerer, Wyoming, USA.
There is some repair to the Sting ray and to the matrix.
It has been backed with 5/8" strant board and hardware can be add so it will hang on a wall.
The rock plate is 30" X 23 1/2". The Sting ray is 23" long and disk is 11 1/2" wide".
THIS IS A GREAT SPECIMEN FOR COLLECTOR OR WALL DECOR.
Item# DE400 $4,995.00 SOLD
.
FANTASTIC FOSSIL BIRD!!
EXTREMELY RARE!!
Undetermined sp.
The Green River Formation has produced more complete or nearly complete articulated fossil birds than any other pre-Pleistocene locality in North America. Many of these birds (an Eocene galliform) were non-aquatic; they fell into the lake,somehow,and covered with sediment and fossilized in the same way the fish were. Feathers,legs,feet and skulls are more abundant than complete specimens (which are extremely rare).
This specimen is 7" long, skull is 1 3/4" long and the plate is 21" by 16" high. It also has 24 minni fish on the plate and has a 5/8" wood backing.
Very Excellent and Extremely Rare. No repair or touchup has been made to the bird specimen.
Item# F156       $17,000.00 SOLD
paddlefish
Bird Bird Bird Bird
New Item
VERY RARE (Lepisosteus atrox).
ONE OF A KIND!
This rare gar is not common in the Green River Formation, but they are widespread and can be found in the main fish localities. Modern gar prefer shallow, weedy or swampy areas in streams and rivers. This may explain the scarcity of the fossil gar. This 5'3" gar found in the Green River Formation is 50 million years old.
Location: Kemmerer, Wyoming.
This splendid 5' 3" Gar maybe the finest in excistence for sale. Only five Gar fish over 5' have been known to come out of the Green River formation.
The coloration is out standing thru out this specimen as can be seen in the photos. If you look very closely at the photo you can see the very huge teeth on the lower jaw.
This magnificent plate is backed with 3/4" thick plywood and can easily grace the most elegant of walls.
This is an excellent (rare) collector or museum specimen.
Size of gar is 5' 3" long.
Plate is 89" long and 42 3/4" wide.
Item# FJ115       $90,000.00
Lepisosteus atrox
Lepisosteus atrox Lepisosteus atrox Lepisosteus atrox
Dawn Horse Dawn Horse
THE DAWN HORSE:

Eohippus (Hyracotherium):
This is a 55 million year old DAWN HORSE.Found at 7200 feet elevation in the Green River formation. Located near Kemmerer, Wyoming, USA.
This is the only known COMPLETE SPECIMEN ever found in the Green River Formation.
The one photo shows the specimen before it was prepared. Prepared photo also shows 4 fish on the plate.
The rock plate is 30 1/2" X 29". The specimen is 24" long.
THIS IS TRULY A ONE OF A KIND.
Item# H2004 Only serious inquiries please.

MORE DETAILED PHOTOS AND INFORMATION IS AVAILABLE. PLEASE CALL OR EMAIL. THANK YOU.
EXTREMELY RARE SOFT-SHELL "TRIONYX" TURTLE: Found at 7200 feet elevation in the Green River formation. Located near Kemmerer, Wyoming, USA. Complete articulated specimen such as this one are EXTREMELY RARE. Trionyx is a soft shelled aquatic turtle which still lives today but dates back to the Jurassic age. Modern trionychid turtles are found today in North America, Africa and Asia. This specimen is on it's orginal rock as excavated from the quarry.
Size of plate is 19 1/4" X 20".
Turtle is 11 1/4" from tip of nose to end of tail. Body is 7" X 6 1/4".
Excellent museum, decor or collector specimen.
Item# JM310       SOLD Only serious inquiries please.
Trionyx turtle
FANTASTIC MULTIPLE PLATE!!
ONE OF A KIND. This specimen plate is 55 million year's old. Found at 7200 feet elevation in the the Green River formation. Located near Kemmerer, Wyoming, USA. There are 29 EXCELLENT fish on this plate. One 16 1/2" Dyplomystus, one Priscacara 5 1/2" and 27 Knightias from 3 1/2" to 6" long.
This plate has not been broken or repaired and is displayed as found except the cleaning of the fish. It is backed with plywood,framed and trimmed. Size of plate is 55 3/4" wide x 58 3/4" high including the frame.
Excellent collector or decor multiple plate.
Includes shipping crate but not shipping cost.
Item# F154       $5,995.00
Multiple fish plate
FANTASTIC 3 7/8" SNAPPING TURTLE!!
EXTREMELY RARE.
This specimen is 55 million year's old.
Found in the f-2 at 7200 feet elevation in the Green River formation. Located near Kemmerer, Wyoming, USA.
This BABY snapping turtle (family Chelydridae) is 3 7/8" long by 2" wide. Size of plate is 4 1/2" x 4 1/2" and has a 3/8" wood backing.
Repair has been made to the specimen such as the tail has been enhanced and some touch up on several feet.
Very Excellent and Extremely Rare .
Item# T155       $17,000.00
Baby snapping turtle
VERY NICE PARTIAL PALM LEAF WITH A FISH !
The palm fronds are found in the Wyoming Green River Formation.Location: Kemmerer, Wyoming This specimen is 50 million years old. The palm is backed with 1/2" strand board and could be easily displayed on a wall. The size of plate is 24" high X 12 3/4" wide. There also is a nice 4 1/2" Knightia. This has a really nice natural color and the specimens show up nicely on the limestone rock.
Excellent small collector or decor plate.
Item# P103 $495.00 SOLD    
 partial Palm leaf
One large Dyplomystus & 7 knightia fish:
EXCELLENT FISH PLATE: Found at 7200 feet elevation in the 18" layer of the Green River formation. Located near Kemmerer, Wyoming, USA. The Dyplomystus is 18" long & the 7 Knightia are 3 1/2" to 5" long.
Size of plate is 39 1/4" wide by 33" high.
Trimed in oak & shown hanging on a wall.
Excellent decor or collector multiple plate.
Item# F139       $ 1,200.00 SOLD
Includes shipping crate.
 18
FANTASTIC MULTIPLE PLATE!!a baby Sting Ray and 25 knightia fish. These specimen are 55 million year's old. Found at 7200 feet elevation in the minni fish beds of the Green River formation. Located near Kemmerer, Wyoming, USA. The Knightia fish are about 2" long. Baby Sting Ray is 3" wide by 7" long. Size of plate is 17 1/2" x 20" and has a 3/4" wood backing so it could be hung on a wall.
Excellent decor or collector multiple plate.
Item# F137       SOLD
Baby Ray and 25 Knightia
RARE (Lepisosteus simplex).
This rare gar is not common in the Green River Formation, but they are widespread and can be found in the main fish localities. Modern gar prefer shallow, weedy or swampy areas in streams and rivers. This may explain the scarcity of the fossil gar. This gar found in the Green River Formation is 50 million years old.
Location: Kemmerer, Wyoming.
The plate is backed with 3/4" thick wood and framed in trim and can easily be hung on a wall.
This is an excellent collectors specimen.
Size of gar is 31" long.
Plate with trim is 49 1/4" long and 26 3/8" wide.
Item# F111       $ 17,000.00 SOLD
Lepisosteus atrox



Last Updated: Febuary 10, 2008
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