TY - SER ID - weinholz1989bfea T1 - Benthic foraminifera extinction at the base of the Brunhes Chronozone at ODP Holes 108-658A and 108-659A AU - Weinholz, Peter AU - Lutze, Gerhard F PY - 1989 T2 - Supplement to: Weinholz, P; Lutze, GF (1989): The stilostomella extinction. In: Ruddiman, W; Sarnthein, M; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 108, 113-117, https://doi.org/10.2973/odp.proc.sr.108.176.1989 PB - PANGAEA DO - 10.1594/PANGAEA.746204 UR - https://doi.org/10.1594/PANGAEA.746204 N2 - A faunal boundary found at the base of the Brunhes Chronozone at Sites 658 and 659 confirms previous observations from several locations in the Atlantic Ocean and may be classified as a supraregional "extinction event". Several benthic foraminifer species typical of the Pliocene disappear near the Brunhes/Matuyama boundary, thus marking the upper limit of a faunal zone (faunal unit). Improved chronological dating indicates that the disappearance of these species occurs over a period of about 100,000 yr. ER -