Samička pakřižáka tropického (Zosis geniculata, angl.humped spider), foto Akio Tanikawa, CC BY-SA 2.5, https://creativecommons.org/licenses/by-sa/2.5/deed.en, https://commons.wikimedia.org/wiki/File:Zosis.geniculatus.female.1.-.tanikawa.jpg, dole kresba jejího kalamistra, obr.John Henry Comstock, public domain, https://commons.wikimedia.org/wiki/File:Comstock-calamistrum.png.