Ontogeny of the neurocranium of Ictalurus punctatus in ventral view. A 10.9 mm SL. B 12.2 mm SL. C 13.3 mm SL. D 18.0 mm SL. E 21.2 mm SL. F 44.9 mm SL. Asph, Autosphenotic; Ast, Asteriscus; Boc, Basioccipital; Epoc, Epioccipital; EthPla, Ethmoid plate; Exoc, Exoccipital; Fr, Frontal; LamOrbN, Lamina orbitonasalis; Lap, Lapillus; LE, Lateral ethmoid; ME, Mesethmoid; Na, Nasal; Orsph, Orbitosphenoid; OtCap, Otic capsule; Pro, Prootic; Psph, Parasphenoid; Pto, Pterotic; Ptsph, Pterosphenoid; Sag, Sagitta; Soc, TMA, Taenia marginalis anterior; TMP, Taenia marginalis posterior; TrCran, Trabecula cranii; Vo, Vomer.