Perrin's cave beetle, Siettitia balsetensis, is an extinct freshwater beetle from France.[1] It and Siettitia ayenionensis are the only two species in the genus Siettitia.
| Perrin's cave beetle | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Dytiscidae |
| Genus: | Siettitia |
| Species: | †S. balsetensis
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| Binomial name | |
| †Siettitia balsetensis Abeille de Perrin, 1904
| |
Wikispecies has information related to Perrin's cave beetle.
This subterranean species was discoloured, its sensory silks were well developed and the eyes were extremely reduced yet probably functional. The tracheae of its wing-cases (elytra) were well developed and it absorbed dissolved oxygen through its cuticle.[2]
See also
editReferences
edit- ^ World Conservation Monitoring Centre (1996). "Siettitia balsetensis". The IUCN Red List of Threatened Species. 1996. IUCN: e.T20207A9179037. doi:10.2305/IUCN.UK.1996.RLTS.T20207A9179037.en. Retrieved 9 January 2018. Listed as Extinct (EX)
- ^ Maas, P. 2006. Extinctions in Europe. The Extinction Website Archived 2011-10-13 at the Wayback Machine.
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