Sequence Types and Features Ontology	Phylogenetics Ontology	Source
http://purl.obolibrary.org/obo/SO_0000819	http://purl.obolibrary.org/obo/GO_0000262	LOOM
http://purl.obolibrary.org/obo/SO_0001057	http://purl.obolibrary.org/obo/GO_0034206	LOOM
http://purl.obolibrary.org/obo/SO_0000820	http://purl.obolibrary.org/obo/GO_0042648	LOOM
http://purl.obolibrary.org/obo/SO_0000340	http://purl.obolibrary.org/obo/GO_0005694	LOOM
http://purl.obolibrary.org/obo/SO_0000741	http://purl.obolibrary.org/obo/GO_0020023	LOOM
http://purl.obolibrary.org/obo/SO_0000828	http://purl.obolibrary.org/obo/GO_0000228	LOOM