Copulatory mechanics in ghost spiders (Amaurobioidinae, Anyphaenidae) reveals an independent regressive evolution of a key genital trait through functional replacement - Dante Poy; Luis N. Piacentini; Peter Michalik; Shou-Wang Lin; Leonel A. Martínez; Martín J. Ramírez (Arthropod Structure & Development, 2025)