Fig. 2

Detail of a Mississippian (Lower Carboniferous) rostroconch, Pleurorhynchus fusiformis M’Coy 1844 (see Amler and Rogalla 2004), a nomen dubium (Rogalla and Amler 2007, pp. 42–43, fig. 19), presumed natural size, from Anon (1885–1890, plate ‘Steinkohlenformation 1’). This figure is based on M’Coy’s original illustrations. Anterior towards top of page