Arionoidei

Range

Greener is more native, amber more introduced; paler is less certain. How this was decided

• Button's Banana Slug Ariolimax buttoni 17,044 observations
• Changeable Mantleslug Megapallifera mutabilis 11,412 observations
• Slender Banana Slug Ariolimax dolichophallus 7,543 observations
• Carolina Mantleslug Philomycus carolinianus 7,260 observations
• California Banana Slug Ariolimax californicus 6,701 observations
• Reticulate Taildropper Prophysaon andersonii 5,180 observations
• Toga Mantleslug Philomycus togatus 2,514 observations
• Southern Pacific Banana Slug Ariolimax stramineus 1,375 observations
• Black Westernslug Hesperarion niger 582 observations
• Ariolimax brachyphallus 517 observations
• Foster Mantleslug Pallifera fosteri 346 observations
• Papillose Taildropper Prophysaon dubium 79 observations
• Hemphill's Westernslug Hesperarion hemphilli 72 observations
• American Keeled Slug Anadenulus cockerelli 35 observations