 identified by scientist Neogene off West Africa ODP Leg 159 |
 identified by scientist Neogene off West Africa ODP Leg 159 |
 identified by scientist Neogene Pliocene Zanclean off Biscaya and Iberia DSDP Leg 47 |
 identified by scientist Neogene Pliocene off Japan ODP Leg 186 |
 identified by scientist Neogene Pliocene Piacenzian off Brazil ODP Leg 154 |