Definitions

from The Century Dictionary and Cyclopedia

  • n. See Dictyograptus.
  • n. This hydrozoan genus is commonly regarded as closely allied to the Graptoloidea, but the fronds are funnel- or fan-shaped and the branches connected by transverse bars or dissepiments, the thecæ or cells being usually quite obscure. It is wholly fossil and ranges from the uppermost beds of the Cambrian into the Devonian.

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