assertion  retraction  graph  subject            predicate        object          datatype    annotation
1          0           graph  NCBITaxon:2172821  rdfs:label       Multicrustacea  xsd:string  
1          0           graph  NCBITaxon:2172821  rdfs:subClassOf  NCBITaxon:6657  _IRI        
1          0           graph  NCBITaxon:2172821  rdf:type         owl:Class       _IRI