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from the GNU version of the Collaborative International Dictionary of English

  • See xiphura.

from The Century Dictionary and Cyclopedia

  • n. Same as Xiphisura: in this form, in Lankester's classification, brought under Arachnida as one of three orders (the other two being Eurypterina and Trilobit√¶) brigaded under the name Delobranchia.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. horseshoe crabs and extinct forms


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