| Convoluta sp. 3 Yamasu & Okazaki, 1987 | prior to 1987 | | | Zanpa Cape and Suanbe on the south west coast of Okinawa Island. |
| Amphiscolops sp. 3 Yamasu & Okazaki, 1987 | prior to 1987 | | | Zanpa Cape and Suanbe on the south west coast of Okinawa Island. |
| Amphiscolops sp. 4 Yamasu & Okazaki, 1987 | prior to 1987 | | | Zanpa Cape and Suanbe on the south west coast of Okinawa Island. |
| Amphiscolops sp. 5 Yamasu & Okazaki, 1987 | prior to 1987 | | | Zanpa Cape and Suanbe on the south west coast of Okinawa Island. |
| Pseudaphanostoma sp. Yamasu & Okazaki, 1987 | prior to 1987 | | | Zanpa Cape and Suanbe on the south west coast of Okinawa Island. |
| Haplogonaria sp. 1 Yamasu & Okazaki, 1987 | prior to 1987 | | | Zanpa Cape and Suanbe on the south west coast of Okinawa Island. |
| Paedomecynostomum sp. Yamasu & Okazaki, 1987 | prior to 1987 | | | Zanpa Cape and Suanbe on the south west coast of Okinawa Island. |