Globorotalia crassaformis subsp. imbricata Krasheninnikov & Bylinskaya 2002 ex Bylinskaya, M. E., Golovina, L. A., Krasheninnikov & V. A. 2002

ODP 404, Nth Atlantic, Late Pleistocene. From Bylinskaya, M.E., 2005, Range and stratigraphic significance of the Globorotalia crassaformis plexus: Journal of Iberian Geology, v. 31, p. 51-63. Fig.5