Kolpoda

International Commission on Zoological Nomenclature (IZCN). (1970). Opinion 915. <i>Tetrahymena</i> Furgason, 1940 (Ciliophora, Hymenostomatida): preserved under the plenary powers and related matters. <em>Bulletin of Zoological Nomenclature.</em> 27(1): 33–38.

[Renier, S. A.]. ([1804]). Prospetto della Classe dei Vermi Nominati e Ordinati secondo il Sistema di Bosc [Work No. 25 on the Official Index of Rejected and Invalid Works in Zoological Nomenclature; see ICZN Opinion 316; Author and date cited in square brackets because not stated in the manuscript but inferred from external sources; Page proofs of introductory book text in folio sheets, never published]. xv-xxvi [Padua, Italy].