assertion  retraction  graph  subject         predicate        object            datatype    annotation
1          0           graph  NCBITaxon:6690  rdfs:label       Penaeus aztecus   xsd:string  
1          0           graph  NCBITaxon:6690  rdfs:subClassOf  NCBITaxon:133894  _IRI        
1          0           graph  NCBITaxon:6690  rdf:type         owl:Class         _IRI