While researching a topic, a student has taken the following notes:
- Catagonus wagneri is a mammal species.
- It was believed to be extinct until a living specimen was identified in Argentina in 1974.
- Medusagyne oppositifolia is a tree species.
- It was believed to be extinct until a living specimen was identified in the Seychelles in 1978.
- They are considered Lazarus species.
- “Lazarus species” is a term for living species of organisms that were once believed to be extinct.