graptolite
English edit
Etymology edit
From Ancient Greek γραπτός (graptós, “painted, marked with letters”) + -lite.
Pronunciation edit
Noun edit
graptolite (plural graptolites)
- Any of a group of extinct aquatic colonial invertebrates, of the class Graptolithina, from the Cambrian and Carboniferous periods.
- 2004, Richard Fortey, The Earth, Folio Society, published 2011, page 70:
- The samples were black shale, and on the shales were some ancient fossils called graptolites.