Living species of Mysticeti have teeth only during the embryonic phase, while fossil Mysticeti had teeth before baleen evolved.
Fossil Mysticeti had teeth before baleen evolved. Living species of Mysticeti have teeth only during the embryonic phase.
Living species of Mysticeti have teeth only during the embryonic phase. Fossil Mysticeti had teeth before baleen evolved.
Living species of Mysticeti have teeth only during the embryonic phase. Fossil Mysticeti had teeth before baleen evolved.