| 词条 | Cylicioscapha |
| 释义 |
| fossil_range= Middle Pennsylvanian - Middle Permian | image = | regnum = Animalia | phylum = Mollusca | classis = ?Gastropoda | superfamilia = †Euomphaloidea | familia = †Euomphalidae | genus = †Cylicioscapha | genus_authority = Yochelson,1954 }} Cylicioscapha is an extinct genus of fossil mollusk, probably a gastropod, a robust-looking euomphalid from the upper Paleozoic of North America. DescriptionThe 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
3 : Euomphalidae|Pennsylvanian first appearances|Guadalupian genus extinctions |
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