Ontogeny of the nuchal plates in Ictalurus punctatus. A 13.5 mm SL B 14.3 mm SL C 15.3 mm SL D 436 mm SL. Abbreviations: ANP, Anterior nuchal plate; MNP, Middle nuchal plate; PNP, Posterior nuchal plate; S1, 1st dorsal-fin spine.

 
 
  Part of: Kubicek KM (2022) Developmental osteology of Ictalurus punctatus and Noturus gyrinus (Siluriformes: Ictaluridae) with a discussion of siluriform bone homologies. Vertebrate Zoology 72: 661-727. https://doi.org/10.3897/vz.72.e85144