Trematocephalus

Trematocephalus is a genus of sheet weavers first described by Friedrich Dahl in 1886.

Species
, it contains only four species:
 * Trematocephalus cristatus (Wider, 1834) — Palearctic. "A striking red and blue-black money spider with a hole straight through its head."
 * Trematocephalus obscurus Denis, 1950 — France
 * Trematocephalus simplex Simon, 1894 — Sri Lanka
 * Trematocephalus tripunctatus Simon, 1894 — Sri Lanka