The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Emig, C. (2015). Hemithiris psittacea. In: Emig, C.C.; Alvarez F.; Bitner M.A. (Ed) (2015). World Brachiopoda database. Accessed through: World Register of Marine Species at
  • Emig, C.C.; Alvarez F.; Bitner M.A. (Ed) . (2013). WoRMS Brachiopoda: World Brachiopoda database (version 2013-03-04). In: Species 2000 & ITIS Catalogue of Life, 11th March 2013 (Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A., eds). Digital resource at Species 2000: Reading, UK.
  • Manceñido, Miguel O., Ellis F. Owen, Sun Dong-Li, and A. S. Dagys / Williams, Alwyn et al. 2002. Hemithiridoidea. Treatise on Invertebrate Paleontology, Part H, Brachiopoda revised, Vol. 4: Rhynchnelliformea (part). 1326-1369
  • North-West Atlantic Ocean species (NWARMS)


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