Prophysaon foliolatum
Species of gastropod
From Wikipedia, the free encyclopedia
Prophysaon foliolatum, or the yellow-bordered taildropper, is a slug in the genus Prophysaon, native to North America, ranging from Alaska to Oregon.[2][3][4][5][6][7]
| Prophysaon foliolatum | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Ariolimacidae |
| Genus: | Prophysaon |
| Species: | P. foliolatum |
| Binomial name | |
| Prophysaon foliolatum (A. Gould, 1851) | |
| Synonyms | |
|
Arion foliolatus A.Gould, 1851 | |
Appearance
This species is an overall dull brown colored slug, with a yellow line bordering its mantle. The similar species P. andersonii does not have this yellow border.[7][2][8]
Forms

There is a Canadian color form that is almost black, but it can still be distinguished by the bright yellow border the mantle.[9][7]
Albino individuals have been spotted on the Olympic coast.[10]