pentasternum
nounEtymology From penta- + sternum.
- Sternum (Fig. 3): Tri-segmented with all segments sclerotized and convex. […] Third segment (pentasternum) rounded, with 1 upper pair of strong setae and several setulae encircling the base (in some specimens the upper pair of setae is similar in size to the basal setae2014 August 1, Ana Caroline O. Vasconcelos, Alessandro P. L. Giupponi, Rodrigo L. Ferreira, “A new species of Charinus from Minas Gerais State, Brazil, with comments on its sexual dimorphism (Arachnida: Amblypygi: Charinidae)”, in The Journal of Arachnology, volume 42, number 2, →DOI, page 156: