( ( The species ) ( ( ( ( studied divide ) ( into ( the ( two clades ) ) ) ) ( as ( shown below ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS species)) (VP (VBD studied) (NP (NN divide)) (PP (IN into) (NP (DT the) (CD two) (NNS clades))) (SBAR (IN as) (S (VP (VBN shown) (ADVP (RB below)))))) (. .)))
The species studied divide into the two clades as shown below.
(ROOT (S (NP (VBG Living) (NNS echinoderms)) (VP (VBD aredivided) (PP (IN into) (NP (CD five) (NNS clades)))) (. .)))