DD Fossils

Orthacanthus freshwater shark skin denticles

• A nice collection of 10 skin and mucous membrane denticles from the freshwater shark Orthacanthus. 
• These denticles were embedded in the skin of the animal and gave it the rough feel as is seen in modern sharks. 
• Housed in a 3cm gem jar.

• 10 teeth selected at random of the two species O. texensis and O. platypterygius. 
• Comes with a pair of identification cards so you can determine which are which.
• Housed in a 3cm gem jar.
  

• 5 shark teeth from this giant shark. 
• The shark, despite its tiny teeth, was estimated to be 5 metres long - a real monster of the Permian rivers.
• Housed in a 3cm gem jar.

• 10 pieces of skull cartilage from Orthacanth sharks. 
• Housed in a 3cm gem jar.

• Five fragments of fin spine from the Orthacanth sharks. 
• Each shows the enamel denticles along the edges. 
• Housed in a 3cm gem jar.

• Often misidentified as belonging to Trimerorhachis these teeth actually belong to the fish Progyrolepis. 
• There are 10 teeth per collection housed in a 3 cm gem jar.

• Rare Sarcopterygian fish teeth only recently identified from the site. 
• Good distinct teeth from this predatory fish that could reach impressive sizes.
• The 5 teeth are housed in a 3 cm gem jar.

• A rare collection of 5 Rhipidistian fish scales with distinct surface ornamentation. 
• Housed in a 3cm gem jar.

• A neat collection of 15 randomly picked scales and spines from Palaeoniscoid and Actinopterygian fish. 
• The scales show the construction typical of the two main groups of fish present at Waurika. 
• Housed in a 3cm gem jar.

• 5 essentially complete and near complete teeth from this unusual shark. 
• Housed in a 3cm gem jar.

• Two complete and very distinct parareptile teeth. 
• These teeth have only recently been recovered from Waurika and could be from an as yet undescrided species. 
• Disinct ridges on the enamel are typical of parareptiles such as Colobomycter.
• Housed in a 3cm gem jar.