Boletín de la Sociedad Geológica Mexicana Volumen 71, núm. 1, 2019, p. 219 ‒ 227 http://dx.doi.org/10.18268/BSGM2019v71n1a12

Short note

A new calappid species from the Ligure Piemontese Basin (NW Italy) and reappraisal of the fossil calappid specimens in the Museo “G. Maini”, Ovada 

Giovanni Pasini¹, Alessandro Garassino^2, *, Piero Damarco³

¹Via A. Volta 16, 22070 Appiano Gentile (Como), Italy.

²Museo di Storia Naturale, Corso Venezia 55, 20121 Milan, Italy.

³Ente Gestione Parco Paleontologico Astigiano-Museo Paleontologico Territoriale dell’Astigiano, Corso V. Alfieri 381, 14100 Asti, Italy. 

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Abstract

The Oligocene species ascribed to the Calappidae H. Milne-Edwards, 1837, housed in the palaeontological collections of the Museum “G. Maini” of Ovada (Alessandria, Piemonte, NW Italy) from the Ligure Piemontese Basin, are herein revised in order to verify their systematic assignment. Two additional specimens are ascribed to Calappilia guttata n. sp., whereas one specimen previously ascribed to M. pustulosus is herein assigned to Calappilia sp. The revision allows us to provide an emended diagnosis and new description of Mursiopsis pustulosus Ristori, 1889. Finally the assignment of Stenodromia mainii (Allasinaz, 1987) and Calappilia vicetina Fabiani, 1910, is briefly discussed.

Keywords: Crustacea, Decapoda, Brachyura, Calappidae, Oligocene, Italy.