After Sweet & Donoghue, 2001
<==o †Prioniodinida Sweet, 1988 [= Prioniodinacea?] |?- †Hibbardella angulata |?- †Idioprioniodus |?- †Kladognathus |?- †Phragmodus inflexus |--o †Chirognathidae [= Cheirognathacea?] | `--o †Chirognathus Branson & Mehl, 1933a | `-- †C. duodactylus Branson & Mehl, 1933a [taxonomic history] `--+--o †Prioniodinidae | `-- †Promissum pulchrum `--+-- †Bactrognathidae `--+-- †Ellisoniidae `--o †GONDOLELLACEA [not recognized by Sweet & Donoghue, 2001] `--o †Gonolellidae Lindström, 1970 [Gondolellidae] |-- †Gondolella |-- †Mesogondonella |-- †Neogondolella `--+-- †Jinogondolella altudaensis `--o †Clarkina Kozur, 1989 |-- †C. leveni (Kozur, Moster & Rahami-Yazd, 1976) [taxonomic history] |--o †C. changxiagensis (Wang & Wang, 1981) [taxonomic history] | |-- †C. c. changxiagensis (Wang & Wang, 1981) | `-- †C. c. yini Mei, in Mei, Zhang & Wardlaw, 1998 |--+-- †C. longicuspidata | `--+-- †C. wangi (Zhang, 1987) [taxonomic history] | `-- †C. postwangi (Tian, 1993) [taxonomic history] |--o †C. meishanensis Zhang, Lai, Ding, Wu & Liu, 1995 [taxonomic history] | |-- †C. m. meishanensis Zhang, Lai, Ding, Wu & Liu, 1998 | `-- †C. m. zhangi Mei, in Mei, Zhang & Wardlaw, 1998 |?- †“C. hambastensis” |-- †C. orientalis (Barskov & Koroleva, 1970) [taxonomic history] |-- †C. inflecta |-- †C. subcarinata (Sweet, 1973) [taxonomic history] |-- †C. prechangxingensis Mei, Zhang & Wardlaw, 1998 [taxonomic history] |-- †C. predeflecta Mei, Zhang & Wardlaw, 1998 |-- †C. parasubcarinata Mei, Zhang & Wardlaw, 1998 |-- †C. deflecta (Wang & Wang, 1981) [taxonomic history] |-- †C. bachmanni |-- †C. nodosa |-- †C. iranica `-- †C. hauschkei
Reference(s):
- Nafi, M., Xia, W. & Zhang, N., 2006: Late Permian (Changhsingian) conodont biozonation and the basal boundary, Ganxi section, western Hubei Province, south China.
–Canadian Journal of Earth Sciencies: Vol. 43, #1, pp. 121-133 - Over, D. J. & Rhodes, M. K., 2000: Conodonts from the Upper Olentangy Shale (Upper Devonian, Central Ohio) and stratigraphy across the Frasnian-Famennian Boundary.
–Journal of Paleontology: Vol. 74, #1, pp. 101-112 - Purnell, M. A., Donoghue, P. C. J. & Aldridge, R. J., 2000: Orientation and anatomical notation in conodonts.
–Journal of Paleontology: Vol. 74, #1, pp. 113-122 - Sansom, I. J. & Smith, M. P., 2005: Late Ordovician vertebrates from the Bighorn Mountains of Wyoming, USA.
–Palaeontology: Vol. 48, #1, pp. 31-48 - Sweet, W. C. & Donoghue, P. C. J., 2001: Conodonts: Past, Present and Future.
–Journal of Paleontology: Vol. 75, #6, pp. 1174-1184