A fossilized jaw (beak) of a cephalopod mollusc.
| 单词 | θ33282 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [noun] > order Tetrabranchiata > member of (3) rhyncholite1836 A fossilized jaw (beak) of a cephalopod mollusc. rhyncholith1843 = rhyncholite, n. tetrabranch1851 A four-gilled cephalopod: see tetrabranchiate, n. |
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