graptolitic

English

Etymology

graptolite +‎ -ic

Adjective

graptolitic (comparative more graptolitic, superlative most graptolitic)

1. Of or pertaining to graptolites; containing graptolites.

   graptolitic mudstone

   graptolitic shale

   graptolitic slate

References

• “graptolitic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.