• ヤマクルマガイ
Scientific classification
Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
(unranked):clade Caenogastropoda
Informal group Architaenioglossa
Superfamily:Cyclophoroidea
Family:Cyclophoridae
Subfamily:Spirostomatinae
Genus:Spirostoma
Species: S. japonicum
Pyramidal operculum typical of this species
Nobeoka, Miyazaki, Kyushu Island, Japan
From my collection
via Flickr https://flic.kr/p/2gEEQCz