Requested reference
Platnick, N. I. & Ubick, D. (2008). A revision of the endemic Californian spider genus Titiotus Simon (Araneae, Tengellidae). American Museum Novitates 3608: 1-34. doi:10.1206/0003-0082(2008)3608[1:AROTEC]2.0.CO;2 -- Show included taxa