Die gezeigte Taxonomie ist der Versuch aus Einstufungen verschiedenster Wissenschaftler eine schlüssige Zuordnung zu treffen. Da sich die Taxonomie durch verfeinerte Untersuchungsmethoden und weitere Funde verändern kann, versteht sich unsere Zuordnung nur als Anhaltspunkt.
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J. L. Benedetto, 2007 - New Upper Cambrian-Tremadoc rhynchonelliformean brachiopods from northwestern Argentina: evolutionary trends and early diversification of plectorthoideans in the Andean Gondwana - Journal of Paleontology (81), 261-285 (journal article, English)
J. L. Benedetto, 2003 - Early Ordovician (Arenig) brachiopods from volcanicalstic rocks of the Famatina Range, northwest Argentina - Journal of Paleontology (77), 212-242 (journal article, English)
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
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L. E. Popov, 2000 - Late Ordovician brachiopods from the Otar Member of the Chu-Ili Range, south Kazakhstan - Palaeontology (43), 833-870 (journal article, English)
E. Villas, 1995 - Caradoc through early Ashgill brachiopods from the Central-Iberian Zone (central Spain) - Géobios (28), 49-84 (journal article, English)
E Villas, 1992 - New Caradoc brachiopods from the Iberian Chains (northeastern Spain) and their stratigraphic significance - Journal of Paleontology (66), 772-793 (journal article, )
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E. Villas, 1985 - Braquiópodos del Ordovicico medio y superior de las Cadenas Ibéricas Orientales - Memorias del Museo Paleontolégico de la Universidad de Zaragoza (1), 1-153 (serial monograph, Spanish)
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L. Marek, 1967 - The articulate brachiopods of the Kosov Formation (upper Ashgillian) - Vestník Ústredního ústavu geologického (42), 275-284 (journal article, English)
A. D. Wright, 1964 - The Fauna of the Potrane Limestone, II - Bulletin of the British Museum (Natural History) Geology (9), 157-256 (journal article, English)
G. A. Cooper, 1956 - Chazyan and related brachiopods - Smithsonian Miscellaneous Collections (127), 1-1245 (serial monograph, English)
A. Williams, 1951 - Llandovery brachiopods from Wales with special reference to the Llandovery District - Quarterly Journal of Geological Society, London (107), 85-136 (journal article, English)