†family Cyrtactinoceratidae Chen et al. 1981 (mollusk)
Cephalopoda - Orthocerida - Cyrtactinoceratidae
Full reference: J. Y. Chen, G. W. Liu, and T. E. Chen. 1981. Silurian nautiloid faunas of central and southwestern China. Memoirs of the Nanjing Institute of Geology and Palaeontology 13:1-104
Parent taxon: Pseudorthocerataceae according to J. Y. Chen et al. 1981
Sister taxa: Mysterioceratidae, Songkanocerasidae, Stereoplasmoceratidae
Subtaxa: Armenocerina Heyuncunoceras Platysmoceras
Ecology: nektonic carnivore
Distribution:
• Silurian of China (3 collections)
Total: 3 collections including 4 occurrences