![]() Bigenerina aspratilis Loeblich and Tappan, 1994 type specimen holotype Quaternary Banda, Timor and Arafura Sea | ![]() Bigenerina aspratilis Loeblich and Tappan, 1994 identified by scientist Quaternary Banda, Timor and Arafura Sea | |||
![]() Bigenerina irregularis Phleger & Parker, 1951 identified by M. Hesemann Quaternary Caribbean Sea and Bahamas | ![]() Bigenerina irregularis Phleger & Parker, 1951 identified by M. Hesemann Quaternary Caribbean Sea and Bahamas | |||