Very large & 2 small Ordivician-Devonian Archeocyathid-like sponges

These sponges were found in rocks dating back from the undetermined rocks from the cambrian-ordivician-devonian periods. They were first thought that they were a thin section of rugosa coral, but more resembles a flattend Archeocyathid. They were found in the Las Vegas district, near the village of Blue Diamond Hill and Red Rock Canyon.

2 available