Before revision: The term ichthyopsida means fish-face or fish-like as opposed to the sauropsida or lizard-face animals (reptiles and birds) and the mammals.Encyclopædia Britannica, 9th ed.
After revision: The term ichthyopsida means fish-face or fish-like as opposed to the Sauropsida or lizard-face animals (reptiles and birds) and the mammals.Encyclopædia Britannica, 9th ed.