Menard, K.L. (2015)

A review of the genus Spanagonicus Berg (Hemiptera: Miridae: Phylinae: Nasocorini) with the description of novel antennal characters, the description of a new species from Central America, and a key to currently known taxa

. Zootaxa, 3973 (1), 139–158.
https://doi.org/10.11646/zootaxa.3973.1.5