@article {39415,
	title = {Extinction or co-extinction rates},
	journal = {Nature},
	volume = {366},
	year = {1993},
	note = {A short note pointing out that lice and possibly fleas may have a similar extinction rate to mamals due to their extreme host specificity, thus coextinction is a result of close coevolution. The extinction of the passenger pigeon and its louse fauna (Columbicola extinctus and Campanulotes defectus) is cited as an example.},
	month = {1993},
	pages = {307},
	url = {http://phthiraptera.info/sites/phthiraptera.info/files/39415.pdf},
	author = {Stork,N. E. and Christopher Henry Coutts Lyal}
}
