graptolite

10 letters · noun · scores 3,000 in SpellHuntr

noun

Any of a group of extinct aquatic colonial invertebrates, of the class Graptolithina, from the Cambrian and Carboniferous periods.

Graptolite in a sentence

The samples were black shale, and on the shales were some ancient fossils called graptolites.

graptolite is a valid word in SpellHuntr, worth 3,000 points (10 letters — longer words score more). Spell it in a live game →