@article {pdf, title = {Un Turbellario con lo scheletro: Acanthomacrostomum spiculiferum n. gen. n. sp.}, journal = {Monitore Zoologico Italiano}, volume = {66}, year = {1959}, note = {2643}, pages = {229-255}, type = {article}, abstract = {Describes: Acanthomacrostomum spiculiferum n. gen. n. sp.}, keywords = {Macrostomum}, author = {Papi, Floriano and Swedmark, Bertil} }