Figure 3 from: Gong X, Zhang E (2024) Bashimyzon cheni, a new genus and species of sucker loach (Teleostei, Gastromyzontidae) from South China. Zoosystematics and Evolution 100(1): 309-324. https://doi.org/10.3897/zse.100.116535

Figure 3 Lateral views of heads for: Protomyzon aphelocheilus (A), Protomyzon borneensis (B), Erromyzon sinensis (C), and Bashimyzon damingshanensis (D). Arrows indicate extremities of gill openings, and blue dotted lines pass vertically through the pectoral-fin insertion and the posterior margin of eye, respectively.