from The Century Dictionary and Cyclopedia

  • In zoology: Same as Branchiogasteropoda; a division of Gasteropoda including those which breathe by gills: opposed to Pulmonifera.
  • (b In De Blainville's system of classification, a division of univalves, of the order Cervicobranchiata, equivalent to the family Fissurellid√¶; the keyhole limpets.


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