Hünefeld, Frank; Marvaldi, Adriana E.; Müller, Bianca; Lawrence, John F.; Beutel, Rolf Georg (2011). «The male postabdomen of the "ancestral" archostematan beetle Tetraphalerus bruchi Heller, 1913 (Ommatidae) and its phylogenetic significance». Arthropod Structure & Development40 (2): 146-158. PMID21185393. doi:10.1016/j.asd.2010.12.003.
Hünefeld, Frank; Marvaldi, Adriana E.; Müller, Bianca; Lawrence, John F.; Beutel, Rolf Georg (2011). «The male postabdomen of the "ancestral" archostematan beetle Tetraphalerus bruchi Heller, 1913 (Ommatidae) and its phylogenetic significance». Arthropod Structure & Development40 (2): 146-158. PMID21185393. doi:10.1016/j.asd.2010.12.003.