Rzhonsnitskaya, M. A. (1956). Systematization of Rhynchonellida, pp. 125-126. In: Guzmán, E. (Ed.). <em>Resúmenes de Los Trabajos Presentados. International Geological Congress, Mexico.</em> Report 20.[details]
Verhoeff, T. (2025). World Brachiopoda Database. Pugnacoidea Rzhonsnitskaya, 1956. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2025) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=235169 on 2026-07-04
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS). Pugnacoidea Rzhonsnitskaya, 1956. Accessed at: https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=235169 on 2026-07-04
original descriptionRzhonsnitskaya, M. A. (1956). Systematization of Rhynchonellida, pp. 125-126. In: Guzmán, E. (Ed.). <em>Resúmenes de Los Trabajos Presentados. International Geological Congress, Mexico.</em> Report 20.[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