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from The Century Dictionary and Cyclopedia

  • Having long septal funnels, as a cephalopod; of or pertaining to the Macrochoanites.
  • n. One of the Macrochoanites.


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  • "A fossil nautiloid of the former group Macrochoanites (of unspecified rank, more or less equivalent to the modern family Bactritidae), characterized by relatively long septal necks." (OED)

    September 5, 2008