Well, here are a few:
>3) What is Nerita porcellana LINNE ????. I have one sp, from Japan?
Septaria porcellana Linnaeus, 1758
>4)What is Nerita atterrima Autor??? Year ??? from Mauritius?
Yes, Gmelin, 1791
>Astralium heimburgi Japan
Dunker, but I have no year
>Murex dorothiae Japan
dorothyae Emerson & d"Attilio, 1979; may be a form of maculata Reeve
according to Emily Vokes
Unio biwae (Kobelt ????) Japan
Kobelt, 1879
John Wolff
2640 Breezewood Dr.
Lancaster, PA 17601