Fig. 11 in Mississippian colonial tabulate and rugose corals from the Flett Formation, Liard Basin, northwest Canada

Fig. 11. Rugose corals Cordilleria aff. mutabile (Kelly, 1942), from Rundle Group undivided, east-central British Columbia, Canada (A) and Meilleur Member, Flett Formation (Mississipian), Rundle Group, Liard Basin, Northwest Territories, Canada (B–D). A. C-07349 = GSC 142468, 8.05 km NW of Bone Mountain, east-central British Columbia; transverse thin section (A1), longitudinal thin sections (A2, A3), pseudocolumella (A4, black arrows) created on tabula surface (white arrow) and tabulae/pseudocolumella relationships in lower part of picture. B. C-52546 = GSC 142470, locality 3 (Fig. 2); longitudinal thin section (B1), transverse thin section (B2). C. C-47930 = GSC 142469, locality 2 (Fig. 2); transverse thin section; very early growth stage of offset. D. C-52124 = GSC 142471, locality 3 (Fig. 2); thin section of three offsets in different growth stage; one cut longitudinally, two transversally.