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Prototoceras
Taxonomy
Prototoceras was named by Spath (1930) [Sepkoski's age data: P Djhu Sepkoski's reference number: 1066
Sepkoski's age data: P Djhu Sepkoski's reference number: 302].
It was assigned to Otoceratidae by Spath (1934); to Ceratitida by Sepkoski (2002) and Sepkoski (2002); to Araxoceratidae by Leonova (2002); and to Araxoceratinae by Korn (2006).
It was assigned to Otoceratidae by Spath (1934); to Ceratitida by Sepkoski (2002) and Sepkoski (2002); to Araxoceratidae by Leonova (2002); and to Araxoceratinae by Korn (2006).
Species
P. anfuense, P. complanatum, P. compressum, P. diluterotalum, P. discoidale, P. fedoroffi, P. fengchengense, P. hunanense, P. inflatum, P. intermedium, P. longilobatum, P. multidenticulatum, P. pachygyrum, P. parallelum, P. pessoides, P. plicatum, P. pulchriforme, P. raddei, P. simplex, P. tropitum, P. venustum, P. xiangulingense