--- by Nakamachi, Miwa at Tohoku University
--- by Nakamachi, Miwa at Tohoku University
--- by Nakamachi, Miwa at Tohoku University
| 1 |
|
Acanthostomella minutissima,
--- by Nakamachi, Miwa at Tohoku University |
| 2 |
|
Ascampbelliella armilla,
--- by Nakamachi, Miwa at Tohoku University |
| 3 |
|
Ascampbelliella retusa,
--- by Nakamachi, Miwa at Tohoku University |