Tucanoichthys tucano, neurocranium of specimen TCWC 20316.01, 14.4 mm SL, c&s, in dorsal, lateral and ventral view. Lapillus missing from left side of specimen. Abbreviations: Asph, autosphenotic; BL, Baudelot’s ligament; Boc, basioccipital; Ec, epiotic; Exoc, exoccipital; Fr, frontal; LE, lateral ethmoid; Me, mesethmoid; Na, nasal; Osph, orbitosphenoid; Pa, parietal; Pro, prootic; Psph, parasphenoid; Pt, pterotic; Ptsph, pterosphenoid; Rsph, rhinosphenoid; Soc, supraoccipital; TrC, trabecula communis; Vo, vomer.

  Part of: Mattox GMT, Conway KW (2021) Osteology of Tucanoichthys tucano Géry and Römer, an enigmatic miniature fish from the Amazon basin, Brazil (Teleostei: Characiformes: Characidae). Vertebrate Zoology 71: 645-667. https://doi.org/10.3897/vz.71.e71886