Cylicioscapha

Cylicioscapha is an extinct genus of fossil mollusk, probably a gastropod, a robust-looking euomphalid from the upper Paleozoic of North America.

Cylicioscapha
Temporal range: Middle Pennsylvanian - Middle Permian
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
?Gastropoda
Superfamily:
†Euomphaloidea
Family:
†Euomphalidae
Genus:
†Cylicioscapha

Yochelson,1954

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.


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