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出典:Wikipedia
出典:『Wikipedia』 (2011/06/19 20:08 UTC 版)
The thumbnail crab, Thia scutellata, is a species of crab whose carapace resembles a human thumbnail. It is found in the North Sea, north-east Atlantic and Mediterranean Sea. It is the only extant species in the genus Thia, although two fossil species are known.
thumbnail crab