(of)Costa, O. G. (1850-1856). Paleontologia del regno di Napoli : contenente la descrizione e figura di tutti gli avanzi organici fossili racchuisi nel suolo di questo regno. <em>Atti dell' Accademia Pontaniana Napoli.</em> 512 p., available online athttps://archive.org/details/paleontologiade01cost[details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Nonionella cordiformis (Costa, 1856). Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=113599 on 2025-05-20
Marine Species Traits editorial board (2025). Marine Species Traits. Nonionella cordiformis (Costa, 1856). Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=113599 on 2025-05-20
original description(of)Costa, O. G. (1850-1856). Paleontologia del regno di Napoli : contenente la descrizione e figura di tutti gli avanzi organici fossili racchuisi nel suolo di questo regno. <em>Atti dell' Accademia Pontaniana Napoli.</em> 512 p., available online athttps://archive.org/details/paleontologiade01cost[details]
basis of recordGross, O. (2001). Foraminifera, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 60-75 (look up in IMIS) [details]
new combination referenceCushman, J. A. (1937). A monograph of the foraminiferal family Valvulinidae. <em>Cushman Laboratory for Foraminiferal Research Special Publication.</em> 8: 1-210.[details] Available for editors
Present Inaccurate Introduced: alien Containing type locality