Ammonite (AKA snakestone or petrified serpent)	Brittle Star (AKA devil’s toenail)	Gryphaea (AKA devil’s toenail)	Belemnite (AKA devil’s finger or thunderbolt)
Extinct relative of squid and octopus; from ½ in. to 2 ft. across. Was believed to be a coiled, headless snake	Sea creature like starfish, with thin, flexible arms	Bivalve similar to an oyster	Extinct marine animal like modern squid or cuttlefish. Fossilized part is a thick bullet-shaped shaft called a guard. It was believed to be thrown alongside lightning, making the noise and killing people struck by it.

Crinoid (AKA sea lily)	Ichthyosaur	Sea urchin (AKA fairy loaf)
Marine animal with long frond-like arms, resembling wavy flowers.	Fish lizard” – marine reptile 200m years old; 2 – 20 ft. long, with snout and tail like a dolphin, paddles and huge eyes	Similar to modern sea urchin. It was said to be a fairy's loaf of bread.

Plesiosaur (AKA sea dragon)

“Near lizard” – ancient marine reptile with small head, very long neck, and paddles; once described as like a snake threaded through the shell of a turtle