--- by Y. Tsukii at Lab Biol, Hosei University
--- by Y. Tsukii at Lab Biol, Hosei University
--- by Y. Tsukii at Lab Biol, Hosei University
| 1 |
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Spirostomum filum,
--- by Y. Tsukii at Lab Biol, Hosei University |
| 2 |
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Spirostomum filum,
--- by Y. Tsukii at Lab Biol, Hosei University |
| 3 |
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Spirostomum filum,
--- by Y. Tsukii at Lab Biol, Hosei University |