Pasini, G.; De Angeli, A.; Garassino, A. Calappa Praelata Lőrenthey in Lőrenthey & Beurlen, 1929 (Decapoda, Brachyura, Calappidae) from the Middle Miocene of Tresnuraghes (Oristano, Sardegna, Italy). Nat Hist Sci 2012, 153, 135-140.