Figures 1–2. Abdominal spine homology and measurements taken for this study. Fig. 1 in Phylogenetic analysis of Micrathena and Chaetacis spiders (Araneae: Araneidae) reveals multiple origins of extreme sexual size dimorphism and long abdominal spines

Figures 1–2. Abdominal spine homology and measurements taken for this study. Fig. 1. Chaetacis bandeirante, female habitus, dorsal. Arrows indicate primary apodemes. Fig. 2. Chaetacis bandeirante, female habitus, lateral. Abbreviations: AS, anterior spine; AW, abdomen width; CL, carapace length; CW, carapace width; ES, eye interdistance; FL, femur length; FSL, first posterior spine length; LS1, first lateral spine; LS2, second lateral spine; LS3, third lateral spine; PS1, first posterior spine; PS2, second posterior spine; PS3, third posterior spine; RW, rim width; SCL, spinneret cone length. Scale bars = 1 mm.