Schaeffer, Bobb 1913-2004
The xenacanth shark neurocranium, with comments on elasmobranch monophyly / Bobb Schaeffer. -- New York : [s.n.], 1981 - 66 p. il. -- (Bulletin of the American Museum of Natural History ; 169,1).
Peces
597.3
The xenacanth shark neurocranium, with comments on elasmobranch monophyly / Bobb Schaeffer. -- New York : [s.n.], 1981 - 66 p. il. -- (Bulletin of the American Museum of Natural History ; 169,1).
Peces
597.3