Prophysaon


Prophysaon, common name taildropper slugs, is a genus of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Ariolimacidae.
These slugs can self-amputate a portion of their tail, a behavior observed in the species Prophysaon andersonii.

Distribution

This genus of slugs occurs in North America, including California and Oregon.

Species

Species in the genus Prophysaon include 10 species :Prophysaon andersonii - reticulate taildropper, Anderson's taildropper slugProphysaon boreale Pilsbry, 1948 - northern taildropperProphysaon coeruleum Cockerell, 1890 - blue-gray taildropperProphysaon dubium Cockerell, 1890 - papillose taildropperProphysaon fasciatum Cockerell in W. G. Binney - banded taildropperProphysaon foliolatum - yellow-bordered taildropperProphysaon humile Cockerell, 1890 - smoky taildropperProphysaon obscurum - mottled taildropperProphysaon vanattae Pilsbry, 1948 - scarlet-backed taildropper
;Species brought into synonymy:Prophysaon flavum Cockerell, 1890: synonym of Prophysaon andersonii Prophysaon hemphilli Bland & W. G. Binney, 1873: synonym of Prophysaon andersonii Prophysaon pacificum Cockerell, 1890: synonym of ''Prophysaon andersonii''