assertion  retraction  graph  subject         predicate        object            datatype    annotation
1          0           graph  NCBITaxon:6685  rdfs:label       Penaeidae         xsd:string  
1          0           graph  NCBITaxon:6685  rdfs:subClassOf  NCBITaxon:111520  _IRI        
1          0           graph  NCBITaxon:6685  rdf:type         owl:Class         _IRI