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I don't have much of an opinion on the subject, just chewing the fat.
Heathfield, the Chinese Shang dynasty is only now coming to light, many of it's practices were incorporated into the foundling empire of the Qin dynasty.
The book of odes (largely fake) relates to the Shang and earlier epochs, this period (about 5000 years ago) is too recent for fossilisation any such creature still around would be viewed as special, the whole carcass including the bones would've been used for traditional medicine.
No?