National Center for Biotechnology Information (NCBI) Organismal Classification Relations Ontology Source
http://purl.bioontology.org/ontology/STY/T044 http://purl.obolibrary.org/obo/GO_0003674 LOOM
http://purl.bioontology.org/ontology/STY/T025 http://purl.obolibrary.org/obo/CL_0000000 LOOM
http://purl.bioontology.org/ontology/STY/T053 http://purl.obolibrary.org/obo/GO_0007610 LOOM