Pygidium alterum, Taxa Only, Exact Match: 3 Treatments

Pygidium alterum		Mirande, Juan Marcos & Koerber, Stefan, 2020, Checklist of the Freshwater Fishes of Argentina. 2 edition. (CLOFFAR- 2)., Ichthyological Contributions of PecesCriollos 72, pp. 1-81 : 35	35
Pygidium alterum		Mirande, Juan Marcos & Introduction, Stefan Koerber, 2015, Checklist of the Freshwater Fishes of Argentina (CLOFFAR)., Ichthyological Contributions of PecesCriollos 36, pp. 1-68 : 37	37
Siluriformes	new species	Marini, T. L., Nichols, J. T. & La Monte, F. R., 1933, Six new eastern South American fishes examined in the American Museum of Natural History, American Museum Novitates 618, pp. 1-7 : 2	2