Rzhonsnitskaia, M. A. (1956). Systematization of Rhynchonellida. <em>In E. Guzmán & others, eds., Resumenes de Los Trabajos Presentados. International Geological Congress, Mexico, Report.</em> 20:125–126.[details]
RAS (2018). Pugnacoidea Rzhonsnickaia, 1956. Accessed at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=235169 on 2019-12-08
(Eds) (2019). Register of Antarctic Species. Pugnacoidea Rzhonsnickaia, 1956. Accessed at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=235169 on 2019-12-08
original descriptionRzhonsnitskaia, M. A. (1956). Systematization of Rhynchonellida. <em>In E. Guzmán & others, eds., Resumenes de Los Trabajos Presentados. International Geological Congress, Mexico, Report.</em> 20:125–126.[details]
basis of recordEmig, C.C.; Bitner, M.A.; Álvarez, F. (2013). Phylum Brachiopoda. <em>In</em>: Zhang, Z.-Q. (Ed.) Animal Biodiversity: An Outline of higher-level Classification and Survey of Taxonomic Richness (Addenda 2013). <em>Zootaxa.</em> 3703(1): 75-78., available online athttps://doi.org/10.11646/zootaxa.3703.1.15[details] Available for editors