| 1 |   | Codonellopsis morchella, --- by Nakamachi, Miwa at Tohoku University | 
| 2 |   | Codonellopsis nipponica, --- by Nakamachi, Miwa at Tohoku University | 
| 3 |   | Codonellopsis orthoceras, --- by Nakamachi, Miwa at Tohoku University | 
| 4 |   | Codonellopsis ostenfeldi, --- by Nakamachi, Miwa at Tohoku University | 
| 5 |   | Stenosemella nivalis, --- by Nakamachi, Miwa at Tohoku University |