Fig. A-1: Biostratigraphic correlation scheme of the late Palaeozoic of Svalbard. References to biozones: Cutbill & Challinor 1965; Mangerud & Konieczny 1993; Nakamura et al. 1987; Nakrem et al. 1992; Nilsson 1988, 1993; Nilsson & Davydov 1992; Sosipatrova 1967; Swift & Alderidge 1985; Vigran 1991 (pers. comm.), 1994 (unpubl.). Compiled by David Worsley and Inger Nilsson.