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Richards Spur

The Richards Spur locality in Oklahoma contains one of the most diverse Lower Permian faunas in the world. The fossils are preserved in caves and fissures that formed in Ordovician limestone and form part of a upland fauna rich in amphibians and reptiles. Being completely terrestrial no fish or freshwater shark fossils are known, making it almost unique in the Permian fossil record. The fossils are either preserved in clay that can easily be dissolved in water, or hard limestone that has to be dissolved in acid. All of the fossils on this page had to undergo the lengthy acid treatment but are wonderfully preserved.

  • Doleserpeton annectens

    Doleserpeton collection 

    • A nice collection of fossils from this small, delicate amphibian housed in a 5x4 cm display case. 
    • Includes limb bones, skull elements, jaw, toe. 
    • £
    • In stock
  • Doleserpeton leg and foot

    • A rare lower leg and foot of Doleserpeton. None of the tiny terminal unguals are present. Total length of specimen is ~2.5cm

    • £
    • In stock
  • Doleserpeton skull

    • A composite skull measuring ~1.5 cm long. Made up of the isolated tiny skull bones rearranged back into life position and housed in a display case. 
    • If this item is of interest please contact us and we will email you when one becomes available.

    • £PayPal Buy Now (unavailable)
    • Not in stock
  • Doleserpeton jaws and pterygoids

    • A collection consisting of a left and right side dentary section, two pterygoids and parasphenoid. 
    • Housed in a 3cm gem jar. 
    • £
    • In stock
  • Doleserpeton vertebra and ribs

    • A complete vertebral complex showing the intercentra, pleuracentra, and two double headed ribs. 
    • Tiny, with each element measuring only a few mm. Rare

    We also periodically have a collection of 4 Doleserpeton ribs available. Please contact us for availability

    • £
    • In stock
  • Doleserpeton limb bone collection

    • A collection of 4 complete, different limb bones. 
    • Each is complete and includes both upper and lower leg bones. 
    • Picked at random based on avalailability as the lower limb bones are preserved less frequently that the more robust femur and humerus. 
    • Each measures only a few mm long. Excellent and rare in the fossil record. 
    • £
    • In stock
  • Doleserpeton jaw section

    • An anterior and medial section of Doleserpeton dentary. 
    • No teeth as is typical for these species (the crowns were only weakly attached to the root) but excellent bone preservation. 

    • £
    • In stock
  • Abyssomedon williamsi

    Abyssomedon Parareptile Collection

    • A collection of bones from this recently described parareptile. 
    • The collection includes a rib, toe bone, vertebra, skull plate, limb bone, and jaw section. 
    • Display case measure ~6x4 cm. 
    • £
    • In stock
  • Abyssomedon leg and foot

    • A complete leg and foot with all claws. 
    • Housed in a ~6x8 cm display case. Excellent display piece. 

    Abyssomedon foot with claws

    • We also offer just the foot with claws (no leg bones). If this is of interest please contact us for availability.
    • £
    • In stock
  • Abyssomedon two partial jaws with teeth

    • Two good examples of the jaws of this small parareptile. 
    • Specimens measure between 5 and 15mm, and all have some teeth present.

    • £
    • In stock
  • Abyssomedon limb bone collection

    • A 4x6cm display case containing a collection of near complete and partial parareptile limb bones.
    • £
    • In stock
  • Abyssomedon tail display

    • A series of vertebrae from the tail of this parareptile. 
    • Excellent preservation and includes specimens from the proximal, medial and distal parts of the tail. 
    • Housed in a 4x6 cm display case.

    If you are interested in single vertebrae please contact us as these can easily be provided for £3 per time plus shipping.

    • £
    • In stock
  • Abyssomedon vertebrae and ribs display

    • This collection features a variety of vertebrae and ribs from this parareptile. 
    • The exact make-up of the collection may vary slightly depending on the ribs that are available, but each pair of ribs will always be from a different part of the animal. 
    • Housed in a 4x6cm display case.

    If you are interested in single vertebrae please contact us as these can easily be provided for £5 per time plus shipping.

    • £
    • In stock
  • Abyssomedon premaxilla

    • One essentially complete premaxilla with teeth. Excellent tooth preservation showing the distinct enamel ridges on the crown.

    Lesser quality examples of these fossils are also available. They bear only 2 or 3 complete teeth but are good examples of the type and can be provided for £10 per time plus shipping. 

    • £
    • In stock
  • Cardiocephalus

    Cardiocephalus resin cast

    • This excellent cast is of a near complete example of Cardiocephalus from Richards Spur. 
    • Cast in plastic resin the skull is excellent. 10cm long

    • £
    • In stock
  • Cardiocephalus limb bone and vertebra

    • A neat collection of two specimens from this uncommon species. 
    • Included is a complete vertebrae (measuring on 3 to 4 mm) and a complete and partial limb bone. 

    • £
    • In stock
  • Cardiocephalus jaw section pair

    • Two jaw sections from this diminutive microsaur. 
    • Obviously only tiny (around 5mm) but with the teeth are well preserved. 
    • Jaw sections are a mixture of dentaries, coronoids, and maxillas.

    • £
    • In stock
  • Cardiocephalus 10 partial limb bones

    • Ten partial limb bones from the microsaur Cardiocephalus. 
    • These limb bones are extremely difficult (if not impossible) to separate from Doleserpeton but in the case of the bones sold here, they were found in a fissure with nothing but Cardiocephalus and a few Captorhinid fossils. As a result we have assigned them to Cardiocephalus.
    • £
    • In stock
  • Cardiocephalus leg bone assemblage

    • Complete leg bone assemblage of Cardiocephalus, excluding the foot itself. The 3 limb bones are complete.

    • £
    • In stock

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