Assertion: hyena's number | /r/HasProperty | classed with firm evidence
Facets:
value: since
type: TEMPORAL
Source sentences:
text: When fossils are taken into consideration, the species displayed even greater variation than it does in modern times, and a number of these named fossil species have since been classed as synonymous with Crocuta crocuta, with firm evidence of there being more than one species within the genus Crocuta still lacking.