†subfamily Anaspyroceratinae Chen et al. 1981 (mollusk)

Cephalopoda - Orthoceratoidea

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

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Ecology: nektonic carnivore

Distribution:

• Devonian of Czechia (1 collection)

• Silurian of China (1)

Total: 2 collections each including a single occurrence

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