FIGURE 10 in The late Maastrichtian Belemnella kazimiroviensis group (Cephalopoda, Coleoidea) in the Middle Vistula valley (Poland) and the Maastricht area (the Netherlands, Belgium) - taxonomy and palaeobiological implications

FIGURE 10. Two-dimensional plot Lsn (standardised length form apex to the protoconch) vs. AV (ventral aspect) of guards of Bln. kazimiroviensis and Bln. skolozdrownae from the Kazimierz Opoka (Kongiel Collection) from different localities (Kazimierz, Bochotnica and Nasilów), all except one from levels x and y sensu Pożaryski (1938).