“Petrochirus Sp. (Anomura, Paguroidea, Diogenidae) from the Early Pleistocene of the Podere dell’Infrascato, Volterra (Pisa, Tuscany, Central Italy)”. Natural History Sciences, vol. 3, no. 1, June 2016, pp. 66-68, https://doi.org/10.4081/nhs.2016.289.