Figure 8 in Mastiglanis durantoni from French Guyana, a second species in the genus (Siluriformes: Heptapteridae), with a CT scan survey of phylogenetically-relevant characters

Figure 8. – CT scan image of skull and anterior portion of vertebral column and dorsal fin of Mastiglanis durantoni, MZUSP 118118, paratype. A: Dorsal view; B: Right lateral view; C: Ventral view. Anterior to top. A more detailed view of the Weberian complex is provided in Fig. 13. Abbreviations: af, anterior fontanel; bo, basioccipital; epi, epioccipital; ex, exoccipital; fr, frontal; le, lateral ethmoid; me, mesethmoid; np1-2, nuchal plates 1 and 2; ns, neural spine; orb, orbitosphenoid; pa, parasphenoid; par, parapophysis; pf, posterior fontanel; plr, pleurar rib; pro, prootic; pt, pterotic; ptr, pterosphenoid; pts, posttemporo-supracleithrum; sn, supraneural; soc, supraoccipital; socs, supraoccipital spine; sph, sphenotic; vc5-9, vertebral centra 5 to 9; vo, vomer; wc, Weberian complex.