The new correct name is Padaungiella lageniformis. So a page with this name should be created and the search Nebela lageniformis should lead there.
Ref: Kosakyan A, Heger TJ, Leander BS, Todorov M, Mitchell EAD, Lara E. 2012. COI Barcoding of Nebelid Testate Amoebae (Amoebozoa: Arcellinida): Extensive Cryptic Diversity and Redefinition of Family Hyalospheniidae Schultze. Protist. 163: 415-434. doi: 10.1016/j.protis.2011.10.003 (nicht signierter Beitrag von Nebela (Diskussion | Beiträge) 17:06, 16. Aug. 2014 (CEST))