Keuper Waterstones

The Keuper Waterstones is a geologic formation in England. It preserves ichnofossils of Varanopus aff. curvidactylus, Swinnertonichnus mapperleyensis, Deuterotetrapous plancus, Chirotherium swinnertoni, Microsauropus acutipes and Erpetopus willistoni dating back to the Middle Triassic (Anisian) period.