2 1 0 http://purl.obolibrary.org/obo/WBPhenotype_0004008 sustained spicule protraction defective 'sustained spicule protraction defective' SubClassOf 'spicule insertion defective' 'sustained spicule protraction defective' SubClassOf http://purl.obolibrary.org/obo/WBPhenotype_0002443 http://purl.obolibrary.org/obo/WBPhenotype_0001741 spontaneous spicule protraction 'spontaneous spicule protraction' SubClassOf 'spicule insertion defective' 'spontaneous spicule protraction' SubClassOf http://purl.obolibrary.org/obo/WBPhenotype_0002443 http://purl.obolibrary.org/obo/WBPhenotype_0002443 spicule protraction variant 'spicule protraction variant' SubClassOf 'spicule insertion defective'