| Mactra chinensis chinensis Philippi | |
| Species | Mollusca - Bivalvia (Pelecypoda) - Heterodonta - Mactridae |
| Place | Semata, Ichihara-City, Chiba, Japan |
| Epoch | Cenozoic - Quaternary - Pleistocene |
| Date | May 3, 2000 |
| Size | Width 2.8 cm, Height 2.0 cm |
| Fine No. | SM007 |
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