Fig. 10From: The Staffelegg Formation: a new stratigraphic scheme for the Early Jurassic of northern SwitzerlandDetailed section of the Early Jurassic strata at Buessge (AG), Type locality of the Staffelegg Formation. Ammonoid zones in parentheses were not verified in the Staffelegg area. α = “Schlotheimia sp.” (Jordan 1983) = ? Saxoceras sp. (see Etzold et al. 1975: 124p. and Urlichs 1977: 16p.); β = data from Jordan (1983); γ = data from Müri in Jordan (1983)Back to article page