The deepest living foraminifera, Challenger Deep, Mariana Trench Akimoto, K. ; Hattori, M. ; Uematsu, K. ; Kato, C. Abstract Publication: Marine Micropaleontology Pub Date: May 2001 DOI: 10.1016/S0377-8398(01)00012-3 Bibcode: 2001MarMP..42...95A