:The extinct species bit is simply to counter the objection that some do make that the mere fact that dinosaurs were last in the fossil record 65 million years ago (on the evolutionary timescale) indicates that they died out that long ago. The examples show that this is not a valid argument. Can I make that clearer somehow? | :The extinct species bit is simply to counter the objection that some do make that the mere fact that dinosaurs were last in the fossil record 65 million years ago (on the evolutionary timescale) indicates that they died out that long ago. The examples show that this is not a valid argument. Can I make that clearer somehow? |