Fig. 4 in Brachiopods and their response to the Early-Middle Frasnian biogeochemical perturbations on the South Polish carbonate shelf

Fig. 4. Succession of brachiopod assemblages in studied sections during the Early–Middle Frasnian (Palmatolepis transitans–Pa. hassi conodont zones) against carbon isotope record; the δ13C curve generalised from detailed records of Pisarzowska et al. (2006). Abbreviation: Pa., Palmatolepis.