TY - RPRT TI - Nomenclatural problems of Breviphrentis stumm, 1949 and Contophrentis new genus (Devonian rugose corals) AU - W. A. Oliver PY - 2015 DO - 10.1017/s0022336000027256 UR - https://pubs.usgs.gov/publication/70021354 ID - 70021354 ER -