Two new species of Upper Ordovician rugose corals from Sweden

Two species of rugose corals are described, Paliphyllum suecicum n. sp. (family Paliphyllidae) and Tryplasma spinulatum n. sp. (family Tryplasmatidae), both from the Upper Ordovician of Dalecarlia, Sweden. The limitation of the genus Paliphyllum Soshkina 1955 is discussed, and the monotypic genus Sclerophyllum Reiman 1956 is included in the genus as a junior synonym.