Busulini, Alessandra, et al. “The Genus Phlyctenodes Milne Edwards, 1862 (Crustacea: Decapoda: Xanthidae) in the Eocene of Europe”. Revista Mexicana De Ciencias Geológicas, vol. 23, no. 3, Apr. 2018, pp. 350-6, https://rmcg.unam.mx/index.php/rmcg/article/view/831.