--- by Mikami, Kazuyuki at Miyagi Univ. of Education
--- by Naoki Sugiyama
--- by Tsukii, Yuuji at Hosei University
--- by Tsukii, Yuuji at Hosei University
| 1 |
|
Dinobryon（サヤツナギ）,
--- by Mikami, Kazuyuki at Miyagi Univ. of Education |
| 2 |
|
Dinobryon（サヤツナギ）,
--- by Naoki Sugiyama |
| 3 |
|
Hyalobryon sp.,
--- by Tsukii, Yuuji at Hosei University |
| 4 |
|
Hyalobryon sp.,
--- by Tsukii, Yuuji at Hosei University |