Illustrations of structures from Leporinus fasciatus, an Amazonian fish from the Anostomidae (ray-finned) family in the order Characiformes. The illustrations were created for the identification and characterization of the species.  From research by Brian Sidlauskus and Richard Vari, 2008. Phylogenetic relationships within the South American fish family Anostomidae (Teleostei, Ostariophysi, Characiformes). Zool. J. Linn. Soc. 154(1): 70–210.  PDF of Sidlauskas & Vari, 2008

Suspensorium

Lateral ethmoid

Orbital bones

Jaws