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Taxonomy
Sironidae was named by Simon (1879). It is extant.
It was assigned to Cyphophthalmi by Dunlop and Giribet (2003), Dunlop et al. (2013).
It was assigned to Cyphophthalmi by Dunlop and Giribet (2003), Dunlop et al. (2013).
Subtaxa