| This book deals with an important group of Frasnian (Upper Devonian) rugose corals from western Canada, the colonial disphyllids. The genera Disphyllum, Pantophyllum, Argutastraea, Hexagonaria, Whittakeria (new genus), and Kuangxiastraea are considered, with 16 species (4 of which are new) studied in detail. |
