Fig. 8 in On Triassic Murchisonia-like gastropods-surviving the end-Permian extinction to become extinct in the Late Triassic

Fig. 8. Goniasmatid caenogastropod Altadema kokeni (Wittenburg, 1908a) and others, Dienerian/Smithian transition, Lower Triassic, Werfen Formation, Gastropod Oolite Member, Italy. A. Crack surface of Gastropod Oolite, near Borgo, Valsugana, Italy, ("Monte Zaccon" locality of Wittenburg 1908b); gastropods (Altadema kokeni and "Polygyrina gracilior") as well as other clasts covered with iron oxide; Wittenburg's (1908a, b) material, collection of University of Tübingen (Nützel and Schulbert 2005: fig. 15). B. Altdema kokeni (Wittenburg, 1908a), GPIT-PV-108710, holotype, and original of Wittenburg (1908a: pl. 5: 9, 10), Col di Rodella, in lateral view, not covered by ammonium chloride to show reddish color (B1), detail of last whorl in lateral view to show adapical sinus of growth lines (B2), in lateral view (B3). C. Original drawing of Altdema kokeni from Wittenburg (1908a).