Rank Genus | ||
Cylicioscapha is an extinct genus of fossil mollusk, probably a gastropod, a robust-looking euomphalid from the upper Paleozoic of North America.
Description
The shell is depressed on both the upper and lower sides; the outer rim is flattish, knobby along the upper edge; the aperture, is more or less trapezoidal.
References
Cylicioscapha Wikipedia(Text) CC BY-SA