Moenkhausia cotinho Eigenmann 1908

Moenkhausia cotinho Eigenmann, USNM 272424, 3, 35.9–38.9 mm; Venezuela, Amazonas, upper Rio Negro basin

Odontostilbe paraguayensis Eigenmann and Kennedy, USNM 181422, 2, 30.7–31.6 mm; Paraguay, Rio Paraguay, Isla Margarita.

Piabarchus analis (Eigenmann), USNM 326384, 2, 30.6–30.9 mm; Brazil, Mato Grosso, Rio Paraguai, near Capo Grande.

Piabarchus torrenticola Mahnert and Géry, USNM 326536, 5, 24.3–26.7 mm; Brazil, Mato Grosso, Rio Paraguai, 48 km from Porto Esperidiao.

Piabucus melanostomus Holmberg, USNM 310907, 2, 61.5–62.8 mm; Brazil, Amazonas, Rio Madeira basin, 5 km E of Humaitá.

Moenkhausia cotinho, 21

molinus, Creagrutus, 2, 41, 48, 159–162

Moojenichthys, 11, 21, 35

myersi, 21

mucipu, Creagrutus, 2, 48, 162–165

muelleri, Creagrutus, 2, 43, 48, 58, 104, 107, 165–167

mulleri, Creagrutus, 58, 165

mülleri, Creagrutus. 58, 125, 126, 165

Leporinus, 2, 43, 165, 166

myersi, Lignobrycon, 21, 35

Moojenichthys, 21

Nannocharax, 36

intermedius, 34

nasutus, Acestrorhynchus, 77

Creagrutus, 2, 181, 183

nigrostigmatus, Creagrutus, 2, 229

notropoides, Creagrutus, 2

occidaneus, Creagrutus, 2, 48, 167–170

occidentalis, Roeboides, 27

oligolepis, Brycon, 11

ortegai, Creagrutus, 2, 48, 170–173

ouranonastes, Creagrutus, 2, 48, 173–175

pabrensis, Virilio, 29