Evolution of the Permian family Spirolegoceratidae (Goniatitida, Ammonoidea)

• Main Authors: Leonova T., Shilovsky O.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: 2007
• Subjects: Ammonoidea; Eevolution; Permian; Spirolegoceratidae; Pleiades; Novaya Zemlya
• Online Access: http://dspace.kpfu.ru/xmlui/handle/net/94702

The evolution of the Permian ammonoid family Spirolegoceratidae is discussed and a new phylogenetic reconstruction is proposed based on new data. Two subfamilies are recognized within the family Spirolegoceratidae: Spirolegoceratinae Nassichuk and Sverdrupitinae subfam. nov. A new genus, Archboldice...