Melanodrymia aurantiaca has a moderately large protoconch entirely covered with irregular reticulate sculpture, giving it a grainy appearance when viewed under a light microscope. The aperture is deeply sinuous and there is a broad ridge or bump at the anterior edge of the shell above the aperture.
Melanodrymia aurantiaca has a moderately large protoconch entirely covered with irregular reticulate sculpture, giving it a grainy appearance when viewed under a light microscope. The aperture is deeply sinuous and there is a broad ridge or bump at the anterior edge of the shell above the aperture.
