- rhyncholite
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[rhyncholite 词源字典] - "A fossilized jaw (beak) of a cephalopod mollusc", Mid 19th cent.; earliest use found in William Buckland (1784–1856), geologist and dean of Westminster. From rhyncho- + -lite, after French rhyncolite.[rhyncholite etymology, rhyncholite origin, 英语词源]