| Cyclosunetta menstrualis (Menke) | |
| Species | Mollusca - Bivalvia (Pelecypoda) - Heterodonta - Veneridae |
| Place | Inzai-City, Chiba-Pref., Japan |
| Epoch | Cenozoic - Quaternary - Pleistocene |
| Size | Width 4.6 cm, Height 3.6 cm |
| File No. | IZ006SE |
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| Cyclosunetta menstrualis (Menke) | |
| Species | Mollusca - Bivalvia (Pelecypoda) - Heterodonta - Veneridae |
| Place | Inzai-City, Chiba-Pref., Japan |
| Epoch | Cenozoic - Quaternary - Pleistocene |
| Size | Width 4.6 cm, Height 3.6 cm |
| File No. | IZ006SE |
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