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SOMERSET
细节
AN ENGLISH IRIDESCENT AMMONITE
SOMERSET
Caloceras johnstoni from the Hettangian, Jurassic (circa 200 million years ago)
12in. (31cm.) wide
SOMERSET
Caloceras johnstoni from the Hettangian, Jurassic (circa 200 million years ago)
12in. (31cm.) wide