Mozambique Channel, Saya de Malha, Somalia, India, Vietnam, Philippines, Palau, Solomon Islands. Living specimens ... [details]
Philippines, Solomon Is, New Caledonia, Fiji, French Polynesia. Living specimens and shells in 100 to 576 m. [details]
Philippines, Vanuatu, New Caledonia. Living specimens and shells in 50-225 m. [details]
Japan, South China Sea, Philippines, Vietnam, Indonesia, New Caledonia. Living specimens and shells in 80 to 460 m. [details]
The specific epithet is a noun in apposition dedicated to Stefano Nappo and Elisa Nappo, parents of the first author. [details]
SW Ile des Pins, KANACONO Stn DW4703, -22.766667°, 167.316667°; 348–350 m. [details]