Assertion details
Summary
cave lion be 2 a species of lion
1 triples in cluster
cave lion be a species of lion 2
2 source sentences
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  • SRC The Cave lion was a species of lion that stretched across Eurasia and into Alaska and went extinct with the collapse of the mammoth steppe about 12,000 years ago .
  • SRC The Eurasian cave lion ( Panthera spelaea ) is a species of lion that went extinct around 12,000 years ago .