In the early 1970's, Heavy Metal music was developed.
Cymbula granatina is a species of sea snail , a true limpet , a marine gastropod mollusk in the family Patellidae , one of the families of true limpets .. Patellidae. Patellidae. Cymbula. Cymbula. species. species. sea snail. sea snail. true limpet. true limpet. gastropod. gastropod. mollusk. mollusk. family. family ( biology )