Differs from C. ornatus by having between the ridges axial threads instead of spirals and by having the peripheral cord and the cord at the dorsal mid-zone not narrowly flattened (and not finely cross threaded).
Differs from C. ornatus by having between the ridges axial threads instead of spirals and by having the peripheral cord and the cord at the dorsal mid-zone not narrowly flattened (and not finely cross threaded).