Definitions

from The Century Dictionary and Cyclopedia

  • n. The flexuous filiform process by which the sicula and rhabdosome of graptolites are suspended from the primary disk. It attains great length in the young of certain forms, as in Dictyograptus, Dictyonema flabelliforme, and in certain Axonolipa, as species of Tetragraptus.

Etymologies

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Examples

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  • The Century says it's "The flexuous filiform process by which the sicula and rhabdosome of graptolites are suspended from the primary disk."

    March 10, 2011

  • "A long, slender, tubular extension of the sicula in a graptolite." (OED)

    September 8, 2008