Zhen & Nicoll: Canning Basin Serratognathus bilobatus Fauna 
9 
Fig. 4. A-F, Bergstroemognathus extensus (Graves & Ellison, 1941). All from sample WCB705/243. (A), M element, CPC39790, posterior 
view (IY116-046). (B), Sa element, CPC39791, posterior view (IY116-047). (C), Sb element, CPC39792, inner lateral view (IY116-048). 
(D), Sc element, CPC39793, inner lateral view (IY116-049). (E), Pb element, CPC39794, inner lateral view (IY116-042). (F), Pa element, 
CPC39795, inner lateral view (IY116-043). G-L, Cornuodus sp. All from WCB705/243; ... [continued on facing page] 
