All the specimens listed on this page were dissolved out of a large block of Permian
limestone from the Admiral Formation of Oklahoma. It took over 6 months and more
than 100 gallons of acid to dissolve the 30 lb block and release the bones. The block
contained thousands of bones from many disarticulated Permian vertebrates, all of
which had been deposited in a narrow water channel. The items listed are what we
have been able to sort through thus far. Please check back periodically for updates
as there are many more fossils that we will be offering from 'The Permian Block'.
Captorhinus aguti
Captorhinus aguti foot...........................................................................$75
An excellent quality, complete, composite rear foot of this famous Permian reptile. All bones are complete and 100%
genuine and have been articulated in the same manner they would have had been in life. Each claw is complete with
excellent preservation. The lid of the 1.25 inch display box holding the bones has been taped down but this can
easily be removed should you wish to handle the bones. None of the bones are glued in place allowing easy
rearrangement and study. Rarely offered and highly recommended.




Block bone debris...................................................................................$25
Part of the bone debris that came from the dissolved block. Contains many small fossils such as
vertebrae, jaw sections, skull plates, teeth, toe bones etc. Complete and broken bones and a great
assortment of fossils to pick through. Sample size is about 1/2 cup. Strictly limited supply.
Cardiocephalus peabodyi foot $75
An excellent quality, complete, composite rear
foot of this famous Permian amphibian. All
bones are complete and 100% genuine and
have been articulated in the same manner they
would have had been in life. Each claw is
complete with excellent preservation. The lid of
the 1.25 inch display box holding the bones has
been taped down but this can easily be removed
should you wish to handle the bones. None of
the bones are glued in place allowing easy
rearrangement.
Cardiocephalus peabodyi
Captorhinus frontal lower and upper jaw section with teeth.
Measures ~1/4 to 1/3 inch.................................$15 the pair
Captorhinus jaw with tooth rows. Measures ~1/2 inch $10
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Captorhinus long toes (5). Largest is ~1/2 inch $15
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Captorhinus Large limb bones. Largest measures ~1 inch $35 for all 8
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Captorhinus limb bones (5) Largest is ~5/8 inch $20
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Captorhinus large limb bone ends Collection of 6 $3
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Captorhinus rib sections (5). Largest is ~1/2 inch $3
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Captorhinus? rib showing rehealed break 1/3 inch $10
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Labidosaurus skull plates - 3/$3
Think pieces of skull plate measuring up to ~3/4 inch. A good contrasting
collection to the Captorhinus skull plates that are also offered.
Captorhinus skull plates. 5 for $3
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Captorhinus jaw sections. Unsorted. 10 for $35 Luck of the draw! All have teeth and measure up to 1/2 inch
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Captorhinus Vertebrae...5/$5
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Large Captorhinus frontal teeth ~5 mm long 2/$10
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Miscellaneous
Richards Spur collection - $20
5 specimens from this famous locality:
Euryodus primus jaw section with teeth
Cardiocephlaus jaw section with teeth
Undescribed amphibian jaw
Captorhinus jaw section with teeth
Captorhinus frontal tooth
Specimens measure on average between 1/4 to 1/2 inch
Undescribed amphibian tooth - $15
A single large tooth from an undescribed species of amphibian. Several
available, each measuring ~ 5 to 7 mm long as shown.
Cardiocephalus collection $20
A 5 piece collection of bones from Cardiocephalus. Two limb bones, a toe bone, vertebrae and skull cap
are included in the foam lined gem jar. Largest specimen measures approximately 1/3 inch.
Undetermined Pelycosaur digit - $75
This digit has three toe bones and a claw of a small, unidentified and
maybe undescribed pelyocsaur. The digit measures ~1/2 inch long and
is in excellent condition. Very rare