Research Quality Cast Replicas
All of the cast replicas made to date are from the Obelisk.
Large Theropod with Bird Tracks (T4) - $295
|The top photo shows two steps, a right foot then a
A third step in the sequence (right foot) is broken off the main block but mostly intact.
The bottom photo show a closeup of the T4 cast area. A fault bisects the large theropod track T4. This specimen has an interesting chronology:
The large theropod walked through first around 125 million years ago, followed shortly thereafter by at least one bird which left its tracks in and around the large theropod track. After a long interval of burial, the fault most likely occured during the Black Hills uplift around 50 million years ago.
Medium-sized theropod (T3) - $145
Medium-small theropod (T2) - $65
Bird Tracks (7 tracks) (A1) - $50
Bird Tracks (3 left feet) (A2) - $20
Bird Track (single track) (A3) - $12
Small theropod or possible hipsolophodontid (T1) - not yet available
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