( ( ( Blastoids , ) ( ( all but ) one ) ) ( crinoid clades ) )
(ROOT (NP (NP (NP (NNS Blastoids)) (, ,) (NP (QP (DT all) (CC but) (CD one)))) (NP (JJ crinoid) (NNS clades))))
Blastoids, all but one crinoid clades
(ROOT (S (NP (DT A) (NN clade)) (VP (VBZ is) (NP (NP (CD one) (NN way)) (PP (IN of) (NP (VBG classifying) (NNS organisms))))) (. .)))