Taxa included

Thaler, K. (1975a). The genus Opistoxys Simon - a new synonym in linyphiid spiders. Bulletin of the British Arachnological Society 3(5): 142-144.

Taxon
Porrhomma microphthalmum (O. Pickard-Cambridge, 1871) (Linyphiidae) 142, f. 1-4 (m, S of Opistoxys acuta), Porrhomma microphthalmum

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