found in an outcrop of the Triassic-age Chinle Formation near Moab, Utah. Around 200 million years ago this region was a low-gradient alluvial plain, populated by large crayfish belonging to ichnospecies Camborygma eumekenomos based on burrow morphology.
Note the vertical tubular structures cutting across the bedding. Red pen for scale.
Architectural morphologies of different ichnospecies of Camborygma with respect to position on the floodplain and depth to the water table (from Hasiotis and Honey (2000)).