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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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