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单词 rhyncholith
释义

rhyncholithn.

Brit. /ˈrɪŋkəlɪθ/, U.S. /ˈrɪŋkəˌlɪθ/
Forms: 1800s rhyncholithe, 1900s– rhyncholith.
Origin: Formed within English, by compounding. Etymons: rhyncho- comb. form, -lith comb. form.
Etymology: < rhyncho- comb. form + -lith comb. form, as alteration of rhyncholite n.
Zoology. Now rare.
= rhyncholite n.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [noun] > order Tetrabranchiata > member of
rhyncholite1836
rhyncholith1843
tetrabranch1851
1843 R. Owen Lect. Compar. Anat. Invertebr. Animals 384 (Gloss.) Rhyncholithes, beak-shaped fossils; the extremities of the mandibles of Cephalopods, allied to the Nautilus.
1855 London Q. Rev. 4 357 We remember seeing amongst his specimens some small unknown fossils from the London clay, known as rhyncholithes.
1906 P. Pelseneer in E. R. Lankester Treat. Zool. V. vi. 299 The fossils known by the name of Rhyncholiths are nothing else than the beaks of Tetrabranchia.
1907 Guide Fossil Invertebr. Animals (Brit. Museum (Nat. Hist.)) 145 (caption) Cephalopoda... a, b, c, Rhyncholiths, fossil beaks of a nautilus from the Miocene of Malta.
This is a new entry (OED Third Edition, June 2010; most recently modified version published online March 2022).
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n.1843
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