Fukuia
Fukuia is a genus of amphibious freshwater snails and land snails with an operculum, gastropod mollusks in the family Pomatiopsidae. Distribution. The genus "Fukuia" is endemic to Honshu, Japan. These snails occur especially in the northern and western part of Japan, on the coast of the Sea of Japan. There is a unique climate in the Sea of Japan with high precipitation due to winter snowfall in the area of distribution of "Fukuia". These snails have been described as a "Japan Sea element". Species. Species within the genus "Fukuia" include: The speciation of genus "Fukuia" likely started around 7.2  million years ago in the Late Miocene. Unassigned to genus: Ecology. "Fukuia kurodai" and "Fukuia multistriata" live amphibiously around rocky walls of steep valleys covered with ferns and bryophytes, and moistened by dripping water. They live only along the mountain streamlets where such habitats are typically found, and often occur with pleurocerid freshwater snails. "Fukuia integra" lives as a terrestrial snail in inland forests. References. This article incorporates CC-BY-2.0 text from the reference