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While researching a topic, a student has taken the following notes:
• Dysphania pusilla is a plant species.
• It was believed to be extinct until a living specimen was identified in New Zealand in 2015.
• Pseudorca crassidens is a mammal species.
• It was believed to be extinct until a living specimen was identified in Denmark in 1861.
• They are considered Lazarus species.
• "Lazarus species" is a term for living species of organisms that were once believed to be extinct.
• Dysphania pusilla is a plant species.
• It was believed to be extinct until a living specimen was identified in New Zealand in 2015.
• Pseudorca crassidens is a mammal species.
• It was believed to be extinct until a living specimen was identified in Denmark in 1861.
• They are considered Lazarus species.
• "Lazarus species" is a term for living species of organisms that were once believed to be extinct.