Lagostomus crassus
Lagostomus crassus
Red List assessment
Extincton the IUCN Red List
- EXExtinct
- EWExtinct in the Wild
- CRCritically Endangered
- ENEndangered
- VUVulnerable
- NTNear Threatened
- LCLeast Concern
The IUCN Red List assesses the Lagostomus crassus as Extinct.
- Genus
- Lagostomus
- Red List category
- Extinct
- Data updated
- August 9, 2026
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The Lagostomus crassus is one of the mammals assessed by the IUCN Red List, so it has a page here — with its scientific name, Lagostomus crassus, its conservation category and, where one is known, a recorded observation on the map. What is missing is the rest: habitat, distribution, diet, behaviour, threats and the conservation work under way.
Each profile is researched and checked one species at a time, and there are thousands to go. You can put this one at the front of the queue.
In the meantime, the full assessment is on the IUCN Red List.
Questions about the Lagostomus crassus
Is the Lagostomus crassus endangered?
The IUCN Red List assesses the Lagostomus crassus as Extinct. No reasonable doubt remains that the last individual has died. A species is only declared Extinct after exhaustive surveys of its known range, at the times and in the seasons it would be expected to appear, have failed to record it.
What is the scientific name of the Lagostomus crassus?
The Lagostomus crassus is Lagostomus crassus.
Other species in the genus Lagostomus
Sources
Conservation status, range description and population estimate come from the IUCN Red List assessment for Lagostomus crassus. Countries are derived from that range description, not from a mapped country list. Last refreshed on .