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Fig. 14 | BMC Evolutionary Biology

Fig. 14

From: Internal cranial anatomy of Early Triassic species of †Saurichthys (Actinopterygii: †Saurichthyiformes): implications for the phylogenetic placement of †saurichthyiforms

Fig. 14

Ethmoid region of †Saurichthys nepalensis (MNHN F 1980–5). Digital rendering of complete specimen in: a right lateral view; b dorsal view; c posterior view; d ventral view; schematic exhibiting the arrangement of rostral canals (in yellow) in: e lateral view; f dorsal view; digital rendering of rostral canals in: g lateral view; h dorsal view. Abbreviations: I, olfactory nerve; Vmx, maxillary ramus of trigeminal nerve; Vopts, superficial ophthalmic ramus of trigeminal nerve; nao, narial opening; nbc, nasobasal canal; paop, palatal opening of nasobasal canals; prof?, putative course of profundus nerve. Scale bars equal 1 cm

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