Agnini, Claudia; Fornaciari, Eliana; Raffi, Isabella (2008): Three new species of calcareous nannofossil from late Palaeocene and early Eocene assemblages (Ocean Drilling Program Site 1262, Walvis Ridge, SE Atlantic Ocean). International Nannoplankton Association, The Hague, International, Journal of Nannoplankton Research, 30 (1), 51-56, georefid:2009-006606