TetraGen:
Tetragnathid Genera of the World (Araneoidea: Tetragnathidae),
An Illustrated Catalog By: Fernando Alvarez-Padilla, Dimitar Dimitrov and Gustavo Hormiga, [pre-release version 1.0, February 2009]
Department of Biological Sciences, The George Washington University,
Washington D.C., 20052, U.S.A.