Son yaye, awonza tiyi kauye (fossil) dǝ sana dowo phylum ndasoyen dǝro asutudǝ zaumaro kǝrawu, adǝye sabab dǝye hatta sai awolaa ta'anasye karapka dǝye nashanzǝ laa soa samunzǝna dǝa fǝlejiya dowo.