Spiral-Shaped Fossil of an Ancient Sea Creature
This page is the CodyCross answer for the clue below from Treasure Island, Group 1032, Puzzle 1 (Outlaws and Thieves).
Question is: Spiral-Shaped Fossil of an Ancient Sea Creature
and the answer is: AMMONITE
Word Meaning:
AMMONITE — (paleontology) Any of an extinct group of cephalopods of the subclass Ammonoidea; a fossil shell of such an animal.
Definitions from Wiktionary.