( ( Around ( ( ( 380 to ) 375 ) Ma ) ) ( , ( ( the ( first tetrapods ) ) ( ( evolved ( from fish ) ) . ) ) ) )
(ROOT (S (PP (IN Around) (NP (QP (CD 380) (TO to) (CD 375)) (NNS Ma))) (, ,) (NP (DT the) (JJ first) (NNS tetrapods)) (VP (VBD evolved) (PP (IN from) (NP (NN fish)))) (. .)))
Around 380 to 375 Ma, the first tetrapods evolved from fish.
(ROOT (S (NP (NNS Caecillians)) (VP (VBD evolved) (PP (IN from) (NP (JJ tetrapod) (NNS ancestors)))) (. .)))