ELASMOBRANCH BRAIN ORGANIZATION 123 



Table 1. Chondrichthian Central Nervous Systems described in literature 

 or examined by author.* — Continued 



Order Lamniformes 



Odontaspis 



(Okadaetal. 1969) 



Mitsukurina owstoni 



(Masai et al. 1973) 



Alopias 



(Okadaetal. 1969) 



Carcharodon carcharias 



(Gilbert 1963) 



Isurus oxyrinchus 



(Gilbert 1963, Okada et al. 1969) 



Lamna 



(Kappers et al. 1936) 



Order Carcharhiniformes 



Scyliorhinus caniculus 



(Haller 1898, Edinger 1901, Sterzi 1905, Johnston 1911, Dart 



1920, Backstrom 1924, Beccari 1930, Gerlach 1947, Bruckmoser 



and Dieringer 1973, Piatt et al. 1974, Smeets and Nieuwenhuys 



1976) 

 ^Scyliorhinus retifer 



Scyliorhinus stellaris 



(Sterzi 1905, Johnston 1911, Backstrom 1924, Leghissa 1962) 

 *Mustelus canis 



(Shaper 1898, Houser 1901, Backstrom 1924, Gerlach 1947, 



McCready and Boord 1976) 



Mustelus laeuis 



(Sterzi 1905, Backstrom 1924, Leghissa 1962, Piatt et al. 1974) 

 *Triakis scyllia 

 *Galeocerdo cuvieri 



(Ebbesson and Ramsey 1968) 



Scoliodon 



(Johnston 1911, Masai 1962) 

 *Carcharhinus floridanus 

 *Carcharhinus leucas 

 *Carcharhinus milberti 

 *Aprionodon isodon 

 *Negaprion brevirostris 



(Tester 1963, Graeber and Ebbesson 1972a) 

 *Prionace glauca 



*Those examined by author. 



