Neurocranium of Rhinolepadichthys polyastrous (SAIAB 9319, 25.0 mm SL). A dorsal view; B lateral view; C ventral view. Abbreviations: Boc, basioccipital; EC, epiphyseal commissure of supraorbital canal; EpC, epicentral; Epoc, epiotic; Exoc, exoccipital; Fr, frontal; La, lachrymal; LE, lateral ethmoid; M, mesethmoid; Na, nasal; NS1, neural spine of vertebral centrum 1; OC, otic canal; Pa, parietal; Pro, prootic; Psph, parasphenoid; Pte, pterotic; SC, supraorbital canal; Soc, supraoccipital; Sph, sphenotic; V1, vertebral centrum 1; Vo, vomer.