assertion  retraction  graph  subject         predicate        object            datatype    annotation
1          0           graph  NCBITaxon:6760  rdfs:label       Scylla            xsd:string  
1          0           graph  NCBITaxon:6760  rdfs:subClassOf  NCBITaxon:600346  _IRI        
1          0           graph  NCBITaxon:6760  rdf:type         owl:Class         _IRI