==Etymology== There are two views on the origin of the word. The most likely is from the Greek spondulox which is a type of shell. The Spondylus shell was used as neolithic jewellery and also an early form of money. There may also be a connection with spondylo- which means spine or vertebrae, based on the similarity between a stack of coins and a ... Found on http://en.wikipedia.org/wiki/Spondulix