MolluscaBase eds. (2025). MolluscaBase. Tonna pyriformis (G. B. Sowerby III, 1914). Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2025) World Register of Deep-Sea species (WoRDSS) at: https://www.marinespecies.org/Deepsea/aphia.php?p=taxdetails&id=572531 on 2026-08-19
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS). Tonna pyriformis (G. B. Sowerby III, 1914). Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=572531 on 2026-08-19
context source (Deepsea)Gofas, S.; Luque, Á. A.; Templado, J.; Salas, C. (2017). A national checklist of marine Mollusca in Spanish waters. <em>Scientia Marina.</em> 81(2) : 241-254, and supplementary online material., available online athttps://doi.org/10.3989/scimar.04543.21a[details]
basis of recordKilburn R.N. (1973). Notes on some benthic Mollusca from Natal and Moçambique with descriptions of new species and subspecies of <i>Calliostoma, Solariella, Latiaxis, Babylonia, Fusinus, Bathytoma</i> and <i>Conus</i>. <em>Annals of the Natal Museum.</em> 21(3): 557-578.[details] Available for editors