Fig. 23 in The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden

Fig. 23. Orthocerida of the Boda Limestone. A. Pleurorthoceras osmundsbergense sp. nov., NRM-PZ Mo 150126, holotype, Osmundsberget. B. Isorthoceras suave (Angelin in Angelin & Lindström, 1880) comb. nov.,PMU26835, Kallholn.C. Isorthocerasjunceum(Hall,1847),PMU26833, Kallholn.D-E. Isorthoceras cf. elongatocinctum (Portlock, 1843), Kallholn. D. PMU 26814, juvenile growth stage. E. PMU 26825, larger specimen with irregularly spaced transverse ornamentation. F. Isorthoceras curvilineatum sp. nov., PMU 26787, holotype, Osmundsberget. G. Isorthoceras angelini sp. nov., PMU 26774, holotype, Kallholn. H. Geisonoceras? sp., PMU 26758, Kallholn. I. Isorthoceras heroyense (Strand, 1934) comb. nov., PMU 26831, Kallholn. Scale bars: A = 10 mm; B-I = 10 mm.