|Scientific Name:||Trigonoscuta rossi|
|Species Authority:||Pierce, 1975|
|Red List Category & Criteria:||Extinct ver 3.1|
This species is known only from one very small area. It has not been located since 1975 and is assessed as Extinct. The cause of extinction is not known.
This species was known only from the area around Fort Ross, California.
Regionally extinct:United States (California)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||No data are available on the population. It was last recorded in 1975.|
|Habitat and Ecology:||It was found in coastal sand dune habitats.|
|Major Threat(s):||The species was known from only one small area but has not been recorded since 1975 and is suspected to be extinct. In the Fort Ross area, the sand dunes are likely to be degraded by rising sea levels.|
|Conservation Actions:||The only recorded site for the species is in the Fort Ross State Historic Park, but the species is assumed to be extinct.|
|Citation:||Lyal, C. 2014. Trigonoscuta rossi. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 17 December 2014.|
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