Cylicioscapha
| Cylicioscapha Temporal range: Middle Pennsylvanian - Middle Permian | |
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| Genus: | †Cylicioscapha Yochelson,1954 |
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
- J. Brooks Knight et al. 1960. Systematic Descriptions. Treatise on Invertebrate Paleontology Part I Mollusca 1. Geological Society of America and University of Kansas Press.