Nesopupa ponapica was created in 1900.
Perhaps you are referring to the air-breathing land snail, Nesopupa ponapica.
Nesopupa thaanumi was created in 1904.
Nesopupa subcentralis was created in 1920.
Nesopupa plicifera was created in 1904.
Nesopupa forbesi was created in 1920.
Nesopupa limatula was created in 1920.
Nesopupa kauaiensis was created in 1920.
Nesopupa eapensis was created in 1880.
Nesopupa singularis was created in 1920.
Nesopupa alloia was created in 1920.
Nesopupa dispersa was created in 1920.
Nesopupa litoralis was created in 1920.