1. Wild Siamese-twins in black tip sea catfish, Arius dussumieri (Valencienes, 1840) from Gulf of Oman.;Al-Jufaily;Anales de Biología,2005
2. Sur un cas de monstre double incomplet chez Squalus acanthias (On a case of incomplete double monster in Squalus acanthias).;Bosinceano;Annales scientifiques l’université de Jassy,1934
3. Vascular anatomy of a dicephalic cat.;Camón;Anatomy and Embryology,1991