from the GNU version of the Collaborative International Dictionary of English

  • An artificial division of gastropods, including those that have an entire aperture.

from The Century Dictionary and Cyclopedia

  • A division of pectinibranchiate gastropodous mollusks, with shells having the mouth entire, and not notched or prolonged into a siphon: opposed to Siphonostomata.
  • In Infusoria, same as Pantostomata.


Sorry, no etymologies found.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.