Naming Problems
Ever since Shohei Shirai's book "Pearls and Pearl Oysters of the World" (1994) came out, many species that were once believed to be different have been confirmed as actually belonging to one species. Such is the case for the Pinctada imbricata species, that now encompasses species that were once considered unique to one area. Under this name we now have the former species of "Akoya" pearl oysters: P. fucata, P. martensii, P. radiata, P. anomioides, P. vulgaris, and several...