- Perrin's cave beetle
Taxobox
name = Perrin's Cave Beetle
status = EX | status_system = IUCN2.3
regnum =Animal ia
phylum =Arthropod a
classis =Insect a
ordo = Coleoptera
familia =Dytiscidae
genus = "Siettitia "
species = "S. balsetensis"
binomial = "Siettitia balsetensis"
binomial_authority =Abeille de Perrin , 1904Perrin's cave beetle is an extinct freshwater
beetle fromFrance .IUCN2006|assessors=World Conservation Monitoring Centre|year=1996|id=20207|title=Siettitia balsetensis|downloaded=28 October 2006 Listed as Extinct (EX)] It and "Siettitia ayenionensis " are the only twospecies in the genus "Siettitia".This subterranean species was discoloured, its sensory silks were well developed and the eyes were extremely reduced and probably functional. The tracheae of its wing-cases (elytra) were well developed and it absorbed dissolved
oxygen through itscuticle .Maas, P. 2006. Extinctions in Europe. [http://extinct.petermaas.nl The Extinction Website] .]ee also
*
List of extinct animals of Europe References
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