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 Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Dytiscidae
Genus: Siettitia
Species:
S. balsetensis
Binomial name
Siettitia balsetensis

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 edit

References edit

  1. ^ 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)
  2. ^ Maas, P. 2006. Extinctions in Europe. The Extinction Website Archived 2011-10-13 at the Wayback Machine.