Jagt, John . W.M, Barry W.M. van Bakel, René H.B. Fraaije, and Christian Neumann. “In Situ Fossil Hermit Crabs (Paguroidea) from Northwest Europe and Russia. Preliminary Data on New récords”. Revista Mexicana de Ciencias Geológicas 23, no. 3 (April 20, 2018): 370–374. Accessed March 15, 2025. https://rmcg.unam.mx/index.php/rmcg/article/view/833.