Taxa included

Reeves, R. M., Hadam, J. J., Redner, J. H. & Dondale, C. D. (1984). Identity of the North American crab spiders Xysticus durus and X. keyserlingi (Araneae: Thomisidae). The Canadian Entomologist 116(2): 221-225. doi: 10.4039/Ent116221-2

Taxon
Spiracme dura (Sørensen, 1898) (Thomisidae) 221, f. 1-4 (mf), Xysticus durus
Spiracme keyserlingi (Bryant, 1930) (Thomisidae) 223, f. 5-8, (mf, removed from S of Xysticus durus, rejecting Dondale & Redner, 1978b: 230, S of Xysticus leechi), Xysticus keyserlingi

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