Species that contain: Eudontomyzon and danfordi [ 4 ] records

bergi, Lampetra Vladykov [V. D.] 1925:251 [Zoologischer Anzeiger v. 64 (nos 11/12) (art. 2); ref. 15570] Upper Tisza River basin [Subcarpathian Ukraine], Ukraine. Syntypes: (many) ?BMNH 1929.4.16.1 (1); NMP P6V 8949 (1), P6V 8950 (1), P6V 80728 (1). Type catalog: Mlíkovský et al. 2011:156 [ref. 33498]. For comment on locality see Kottelat 1997:25 [ref. 22952]. •Synonym of Lampetra danfordi (Regan 1911) -- (Berg 1948:32 [ref. 12882]). •Synonym of Eudontomyzon danfordi Regan 1911 -- (Renaud & Holčík 1986:147 [ref. 24821], Kottelat 1997:25 [ref. 22952], Renaud 2011:38 [ref. 31770]). Current status: Synonym of Eudontomyzon danfordi Regan 1911. Petromyzontidae. Habitat: freshwater.

danfordi, Eudontomyzon Regan [C. T.] 1911:200 [Annals and Magazine of Natural History (Series 8) v. 7 (no. 38); ref. 3640] Transylvania and Sebés River, Romania. Syntypes: (6) BMNH 1876.11.25.1 (1), 1951.5.22.1-5 [ex 1874.7.4.5] (5). Additional material: BMNH 1951.5.22.6-12 (7 or 6); ?BMNH (1) Sebés R. •Valid as Lampetra danfordi (Regan 1911) -- (Berg 1948:32 [ref. 12882]). •Valid as Eudontomyzon danfordi Regan 1911 -- (Renaud & Holčík 1986:146 [ref. 24821], Lelek 1987:29 [ref. 22962], Kottelat 1997:25 [ref. 22952], Yamazaki & Goto 2000:8 [ref. 24514], Vassilev & Pehlivanov 2005:161 [ref. 28369], Kottelat & Freyhof 2007:37 [ref. 29996], Naseka et al. 2009:17 [ref. 30402], Lang et al. 2009:48 [ref. 31599], Renaud 2011:38 [ref. 31770], Hanel & Andreska 2016:146 [ref. 34755], Pereira et al. 2021:[10] 1991 [ref. 40490], Nagy et al. 2023:356 [ref. 40348]). Current status: Valid as Eudontomyzon danfordi Regan 1911. Petromyzontidae. Distribution: Southeastern Europe: Danube River basin. Habitat: freshwater.

gracilis, Lampetra (Eudontomyzon) Kux [Z.] 1965:294 (German p. 299), Figs. 3, 7, 11 [Časopis Moravského Musea v Brně = Acta Musei Moraviae Védy Prírodní = Scientiae naturalis v. 50; ref. 9222] Toplá River, Lukov, River Tisza basin, eastern Slovakia. Holotype: MMB 1247/7. Paratypes: (67) MMB 1099/4 (1). •Synonym of Eudontomyzon danfordi Regan 1911 -- (Renaud & Holčík 1986:147 [ref. 24821], Kottelat 1997:25 [ref. 22952], Renaud 2011:38 [ref. 31770], Hanel & Andreska 2016:17 [ref. 34755]). Current status: Synonym of Eudontomyzon danfordi Regan 1911. Petromyzontidae. Habitat: freshwater.

vladykovi, Eudontomyzon danfordi Oliva [O.] & Zanandrea [G.] 1959:1 [Doriana, Genova v. 2 (no. 98); ref. 18496] Affluent of Orava Reservoir, Danube River basin, Territory of Orava, northwestern Slovakia, Czechoslovakia. Neotype: SNMB Ry 472 = LF 41858. Non-types: NMW 50013 (1), 50020 (1), 76823 (4). Type catalog: Blahák 1991:203 [ref. 20023]. Also appeared in Zanandrea 1960 [ref. 11963]; see nomenclatural notes in Kottelat 1997:26 [ref. 22952]. For authorship and date of publication see Holčík 1963:51 et seq. [ref. 20741]. Neotype designated by Holčík 1963:57 [ref. 20741], but a neotype is not needed if other syntypes or the specimen from Graz, Austria, that was the basis for the oral disk drawing in Oliva & Zanandrea 1959, are available. •Synonym of Eudontomyzon danfordi Regan 1911 (in part) -- (Renaud & Holčík 1986:147 [ref. 24821]). •Synonym of Eudontomyzon mariae (Berg 1931) -- (Holčík & Renaud 1986:165 [ref. 24822], Naseka et al. 2009:17 [ref. 30402], Renaud 2011:40 [ref. 31770] with queston). •Valid as Eudontomyzon vladykovi Oliva & Zanandrea 1959 -- (Kottelat 1997:26 [ref. 22952], Kottelat & Freyhof 2007:39 [ref. 29996], Lang et al. 2009:48 [ref. 31599], Ćaleta et al. 2015:21 [ref. 34877], Hanel & Andreska 2016:14 [ref. 34755], Ćaleta et al. 2019:142 [ref. 37026], Tutman et al. 2020:1 [ref. 37301], Pereira et al. 2021:[10] 1991 [ref. 40490], Nagy et al. 2023:356 [ref. 40348]). Current status: Valid as Eudontomyzon vladykovi Oliva & Zanandrea 1959. Petromyzontidae. Distribution: Southeastern Europe: Danube River basin. Habitat: freshwater.