24 
Records of the Australian Museum (2009) Vol. 61 
Fig. 15. A-H, Stiptognathus borealis (Repetski, 1982). (A), M element, CPC39902, WCB705/243, posterior view (IY129-033). B-D, Sa 
element; B,C, CPC39903, WCB705/243, (B), upper-posterior view (IY118-006), (Q, upper-anterior view (IY118-007); (D), CPC39904, 
WCB705/243, upper view showing the cross section of the cusp (IY118-004). E-G, Sb element, E,G, CPC39905, WCB705/133, (£), 
basal-posterior view (IY117-041), (G), posterior view (IY117-039). (F), CPC39906, WCB705/243, basal view (IY118-015). (//), Pb 
element, CPC39907, WCB705/243, antero-inner lateral view (IY118-008). I-K, Triangulodus bifidus Zhen in Zhen et al., 2006. Sd element, 
CPC39908, WCB705/133, (7), basal view (IY116-056), (J,K), posterolateral views (IY116-058, IY116-057). L-T, Semiacontiodus sp. cf. 
S. comuformis (Sergeeva, 1963). L,M, Sa element, CPC39909, WCB705/133, (L), posterior view (IY126-027); (A/), posterolateral view 
(IY126-028). N,0, Sb element; (TV), CPC39910, 161-166 m, inner lateral view (IY132-012); (O), CPC39911, 161-166 m, outer lateral 
view (IY132-014). P-T, Sc element; P-R, CPC39912, 161-166 m, (P), inner lateral view (IY132-016); (« Q ), basal view (IY132-018); 
(R), outer lateral view (IY132-017). S,T, CPC39913, WCB705/133, ( S ), inner lateral view (IY127-018); (7), close up showing fine striae 
(IY127-019). Scale bars 100 pm unless otherwise indicated. 
