graptolitic

English

Etymology

graptolite +‎ -ic

Adjective

graptolitic (comparative more graptolitic, superlative most graptolitic)

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.

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