@article {23415,
	title = {First record of spiders from the Permian period (Aranea: Mesothelae)},
	journal = {Bulletin of the British Arachnological Society},
	volume = {13},
	number = {4},
	year = {2005},
	month = {2005},
	pages = {111-116},
	author = {Eskov, K.Yu and Paul A. Selden}
}
