Megalobulimus popelarianus (Nyst, 1845)

Scientific classification:
Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
(unranked):clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:Acavoidea
Family:Strophocheilidae
Subfamily:Megalobuliminae
Genus:Megalobulimus
Species: M. popelarianus

136mm

Lamas, Tarapoto, Perú

From my collection

via Flickr https://flic.kr/p/2j4EwRZ