chambered nautilus, pearly nautilus, nautilus
['harvestman, daddy longlegs, Phalangium opilio', 'coral reef', 'banded gecko', 'spotted salamander, Ambystoma maculatum', 'necklace', 'ant, emmet, pismire', 'horned viper, cerastes, sand viper, horned asp, Cerastes cornutus']