Possibly Eupoa has branched from other basal groups like Lyssomaninae or Spartaeinae a long time ago.

[1] Specimens of E. prima were collected from leaf litter.

[2] Eupoa are small salticids, with E. prima only reaching about 2 mm in both sexes.

Although not closely related, it looks a bit like Neon, another litter dwelling species.

[2] The abdomen is dark with light elongate transversal patches.