Signorotto, F., Mancini, M. & Ferretti, N. (2023). A new small Acanthogonatus Karsch, 1880 (Mygalomorphae, Pycnothelidae) species from Argentinean Patagonia: description of A. messii Signorotto & Ferretti n. sp. and its phylogenetic placement. Zoosystema 45(17): 499-512. doi:10.5252/zoosystema2023v45a17 -- Show included taxa