†subfamily Anaspyroceratinae Chen et al. 1981 (mollusk)
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: Orthoceratidae according to J. Y. Chen et al. 1981
Sister taxa: Aethiosolen, Chebbioceras, Ctenoceras, Infundibuloceras, Kopaninoceras, Leurocycloceratinae, Merocycloceras, Michelinoceras, Michelinoceratinae, Orthoceras, Orthoceratinae, Orthocycloceras, Palorthoceras, Pleurorthoceras, Pojetoceras, Prohypogeophis, Prohypogeophis tunariensis, Pseudospyroceras, Striatocycloceras, Theoceras, Tibichoanoceras, Tienoceras
Subtaxa: Calorthoceras
Ecology: nektonic carnivore
Distribution: