In this work the occurrence of the genera Ptomatis Clarke, 1899, Pleurotomaria (?) Defrance, 1826 and Platyceras Conrad, 1840 in the Devonian strata of the State of Paraná is reviewed . One new species, Ptomatis paranaensis sp. nov., is described. Ptomatis moreirai Clarke, 1913 and Platyceras (Platystoma) allardycei (Clarke, 1913) are redescribed proposing themselves for the last new combination. The inclusion of Pleurotomaria (?) Kayseri Ulrich, 1892 in the genus Pleurotomaria is discussed. A pateliform specimen is described and recorded for the first time. Its inclusion in the class Gastropoda is also briefly discussed.
