Ontogeny of the shell bones of embryos of Podocnemis unifilis (Troschel, 1848) (Testudines, Podocnemididae). - Lima FC; Santos AL; Vieira LG; Da Silva-Junior LM; Romão MF; De Simone SB; Hirano LQ; Silva JM; Montelo KM; Malvásio A (Anatomical record (Hoboken, N.J. : 2007), 2011)