Listas http://www.cals.ncsu.edu/course/ent425/compendium/silver.html
http://www.calacademy.org/research/entomology/types/thysafam.htm
http://www.york.biosis.org
http://www.zbi.ee/~tiit/arv.html
http://www.utexas.edu/depts/tnhc/invertpaleo/insects/bio29.html
http://www.ru.ac.za/departments/zooento/Martin/thysanura.html
Referencias http://www.zoo.uib.no/classics/darwin/descent.chap10.txt
Museus http://www.inhs.uiuc.edu/cbd/collections/insect_types.html
Link`s http://www.laters.com/insects/silverfi.htm