Megapallifera mutabilis

{{Short description|Species of gastropod}}

{{Taxobox

| image = Megapallifera mutabilis.jpg

| image_caption =

| status =

| status_ref =

| regnum = Animalia

| phylum = Mollusca

| classis = Gastropoda

| unranked_superfamilia =

clade Heterobranchia

clade Euthyneura
clade Panpulmonata

clade Eupulmonata

clade Stylommatophora

informal group Sigmurethra

| superfamilia = Arionoidea

| familia = Philomycidae

| genus = Megapallifera

| species = M. mutabilis

| binomial = Megapallifera mutabilis

| binomial_authority = (Hubricht, 1951)

| synonyms =

}}

Megapallifera mutabilis, common name the changeable mantleslug, is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Philomycidae. It eats primarily algae, and lives in live trees such as American beech. The species is native to eastern North America.{{cite journal |last1=Paustian |first1=Megan E. |last2=Barbosa |first2=Pedro |title=Overlap of food and microhabitat preferences among some native and nonnative slugs in mid-Atlantic forests of eastern North America |journal=Journal of Molluscan Studies |date=February 2012 |volume=78 |issue=1 |pages=92–99 |doi=10.1093/mollus/eyr041 |url=https://academic.oup.com/mollus/article/78/1/92/1103622?login=true |access-date=16 June 2022|doi-access=free }}