Cerion chrysalis

Cerion chrysalis is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Cerionidae, the peanut snails. It is native to Cuba (type locality near Cabañas Fort, Havana) and specimens have been recorded as introduced to sites in the Florida Keys (e.g., Garden Key and Loggerhead Key).

Cerion chrysalis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Cerionidae
Genus:	Cerion
Species:	C. chrysalis
Binomial name
Cerion chrysalis (Ferussac ex Beck 1837)

References

Shrestha, Y., Wirshing, H. H., & Harasewych, M. G. (2015). The genus cerion (gastropoda: Cerionidae) in the Florida keys. PLOS ONE, 10(9). https://doi.org/10.1371/journal.pone.0137325

M.G., H., M, S., & M, G. P. (2011). The Delray Beach, Florida, colony of Cerion (Paracerion) tridentatum costellata Pilsbry, 1946 (Gastropoda: Pulmonata: Cerionidae): Evidence for indirect Cuban origins. The Nautilus, 125(4), 173–181.