After Benedetto, 2007
<==o †Nanorthidae Havlícek, 1977 |?- †Incorthis Havlícek & Branisa, 1980 |?- †Pleurorthis Cooper, 1956 |?- †Nicoloidea Zeng, 1987 |?- †Shoshonorthis Jaanusson & Bassett, 1993 |--o †Nanorthis Ulrich & Cooper, 1936 | |?- †N. saltensis (Kayser, 1876) Ulrich & Cooper, 1938 [Orthis saltensis Kayser, 1876] [nomen dubium, type lost (Villas & Herrera, 2004)] | |?- †N. putilliformis (Kobayashi, 1935) Ulrich & Cooper, 1938 [Eoorthis? putilliformis Kobayashi, 1935; Orusia putilliformis (Kobayashi) Kobayashi, 1937] [nomen nudum] | |-- †N. hamburgensis Ulrich & Cooper, 1936 [type] | |-- †N. purmamarcaensis Benedetto in Benedetto & Carrasco, 2002 [incl. Eoorthis christianiae (Kjerulf); N. christianiae (Kjerulf) Castellaro, 1963 in partim] | |--o †N. calderensis Benedetto, 2007 [Nanorthis saltensis (Kayser) Benedetto in Benedetto, 2003] | | |-- †N. c. calderensis Benedetto, 2007 | | `-- †N. c. alternata Benedetto, 2007 | |-- †N. carinata | |-- †N. brachymyaria Benedetto in Benedetto & Carrasco, 2002 | `-- †N. fragilis Benedetto in Benedetto et al., 1986 |--o †Kvania Havlícek, 1994 | |-- †K. kvanica (Mergl, 1984) [Nothorthis kvanica Mergl, 1984] | |?- †K.? primigenia | |-- †K. mergli Benedetto, 2007 | |-- †K. lariensis Benedetto, 2007 | `--o †K. azulpampensis Benedetto, 2007 | |-- †K. a. azulpampensis Benedetto, 2007 | `-- †K. a. dichotoma Benedetto, 2007 |-- †Archaeorthis Schuchert & Cooper, 1931 |-- †Riograndella Kobayashi, 1937 |-- †Xinanorthis Xu, Rong & Liu, 1974 `-- †Alocorthis Paterson & Brock, 2003
Reference(s):
- Benedetto, J. L., 2007: New Upper Cambrian-Tremadoc rhynchonelliformean brachiopods from northwestern Argentina: evolutionary trends and early diversification of plectorthoideans in the Andean Gondwana.
–Journal of Paleontology: Vol. 81, #2, pp. 261-2885 - Emig, C. C. & Pardo, M. V., 2003-: Divisions of the Brachipoda from families.
–iNet: The BrachNet: Classification des Brachiopoda: http://www.com.univ-mrs.fr/EuroBrachNet/CLASS/Class.htm - Sutton, M. D., Briggs, D. E. G., Siveter, D. J. & Siveter, D. J., 2005: Silurian brachiopods with soft-tissue preservation.
–Nature: Vol. 436, pp. 1013-1015