After Sweet & Donoghue, 2001

<==o †Protopanderodontida
   |==o †Protopanderodontidae
   |  `--o †Protopanderodus 
   |     |-- †P. insculptus
   |     |-- †P. leonardii Serpagli
   |     `-- †P. gradatus Serpagli
   |-- †Clavohamulidae
   `--+--o †Drepanoistodontidae
      |  `--o †Drepanoistodus Lindström, 1971
      |     |-- †D. forceps (Lindström, 1955) [taxonomic history]
      |     |-- †D. suberectus (Branson & Mehl, 1933b) [taxonomic history]
      |     |-- †D. pitjanti
      |     |-- †D. tablepointensis
      |     `-- †D. bellburnensis
      `--o †“Panderodontacea” [Not recognized by Sweet & Donoghue, 2001]
         |-- †Acanthodontidae
         `--o †Panderodontida
            `--o †Panderodontidae
               `--o †Panderodus Ethington, 1959
                  |-- †P. unicostatus (Branson & Mehl, 1933) [taxonomic history]
                  |-- †P. gracilis (Branson & Mehl, 1933)
                  |-- †P. recurvatus (Rhodes, 1953)
                  `-- †P. equicostatus (Rhodes, 1953) [taxonomic history]

Reference(s):

Albanesi, G. L. & Barnes, C. R., 2000: Subspeciation within a punctuated equilibrium evolutionary event: Phylogenetic history of the Lower-Middle Ordovician Paroistodus originalis-P. horridus complex (Conodonta).
–Journal of Paleontology: Vol. 74, #3, pp. 492-502

Leslie, S. A., 2000: Mohawkian (Upper Ordovician) conodonts of eastern North America and Baltoscandia.
–Journal of Paleontology: Vol. 74, #6, pp. 1122-1147

Sweet, W. C., 2000: Conodonts and biostratigraphy of Upper Ordovician strata along a shelf to basin transect in central Nevada.
–Journal of Paleontology: Vol. 74, #6, pp. 1148-1160

Sweet, W. C. & Donoghue, P. C. J., 2001: Conodonts: Past, Present and Future.
–Journal of Paleontology: Vol. 75, #6, pp. 1174-1184

Zhang, S. & Barnes, C. R., 2000: Anticostiodus, a new multielement conodont genus from the Lower Silurian, Anticosti Island, Quebeg.
–Journal of Paleontology: Vol. 74, #4, pp. 662-669

Zhen, Y. Y., Nicoll, R. S., Percival, I. G., Hamedi, M. A. & Stewart, I., 2001: Ordovician Rhipidognathid conodonts from Australia and Iran.
–Journal of Paleontology: Vol. 75, #1, pp. 186-207

 

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