Rhynchonellata - Orthida - Plectorthidae
Synonym: Evenkinorthis
Full reference: E. O. Ulrich and G. A. Cooper. 1936. New Genera and Species of Ozarkian and Canadian Brachiopods. Journal of Paleontology 10(7):616-631
Parent taxon: Plectorthidae according to A. Williams et al. 2007
See also Sepkoski 2002, Ulrich and Cooper 1936 and Williams et al. 2000
Sister taxa: Apollonorthis, Ashinaorthis, Atlantida, Corineorthis, Desmorthis, Doleroides, Hebertella, Irhirea, Lipanorthis, Mimella, Oligorthis, Orthostrophiinae, Paterorthis, Platystrophiinae, Platystrophinae, Plectorthinae, Plectorthis, Pseudomimella, Schizophorella, Severginella
Subtaxa: Nanorthis carinata Nanorthis hamburgensis Nanorthis purmamarcaensis Nanorthis putilla
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of Argentina (10 collections), Australia (6), Bolivia (1), Canada (3: Alberta, British Columbia), China (8), Colombia (1), the Czech Republic (2), the Russian Federation (17), Sweden (7), United States (32: Idaho, Montana, Nevada, North Dakota, Utah)
• Arenig of Argentina (5), China (8), the Russian Federation (2), Sweden (5), United States (3: Montana, North Dakota)
• Cambrian to Ordovician of the Russian Federation (1)
• Cambrian of Canada (2: Alberta, Newfoundland and Labrador)
Total: 113 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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