Ontogeny of the neurocranium of Ictalurus punctatus in left lateral 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. Abbreviations: *, Accessory posttemporal; Asph, Autosphenotic; Boc, Basioccipital; Dpto, Dermopterotic; EpBar, Epiphysial bar; Epoc, Epioccipital; EthPla, Ethmoid plate; Exoc, Exoccipital; Fr, Frontal; LamOrbN, Lamina orbitonasalis; LE, Lateral ethmoid; ME, Mesethmoid; Na, Nasal; OpF, Foramen for the passage of the optic nerve (II); Orsph, Orbitosphenoid; OtCap, Otic capsule; OTF, Common foramen for the passage of the optic (II), trigeminal (V), and Facial (VII) nerves; PrF, Preoptic fontanelle; Pro, Prootic; Psph, Parasphenoid; Pt, Posttemporal; Pto, Pterotic; Ptsph, Pterosphenoid; Soc, Supraoccipital; SphCom, Sphenoseptalis commissure; TMA, Taenia marginalis anterior; TMP, Taenia marginalis posterior; TrCran, Trabecula cranii; TrFaF, Common foramen for the passage of the trigeminal (V) and facial nerves (VII); TS, Tectum synoticum; Vo, Vomer.