The first armored agnathans -- the MISC@1 , precursors to the bony fish and hence to the tetrapods -LRB- including humans -RRB- -- are known from the middle MISC@2 , and by the MISC@3 the agnathans had reached the high point of their evolution .

The first armored agnathans the Ostracoderms , precursors to the bony fish and hence to the tetrapods -LRB- including human beings -RRB- , are known from the middle MISC@2 , and by the MISC@3 the agnathans had reached the high point of their evolution .
