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FIGURE 4 in New species of Pyrrhulina (Ostariophysi: Characiformes: Lebiasinidae) from the Brazilian Shield, with comments on a putative monophyletic group of species in the genus

FIGURE 4. Syntypes of Pyrrhulina rachoviana USNM 92970: (a) male, 30.6 mm SL; (b) female,-32.9 mm SL. Both from "Rosario".

FIGURE 2. Pyrrhulina zigzag INHS 56206 in New species of Pyrrhulina (Ostariophysi: Characiformes: Lebiasinidae) from the Brazilian Shield, with comments on a putative monophyletic group of species in the genus

FIGURE 2. Pyrrhulina zigzag INHS 56206: (a) male 30.9 mm SL; and (b) female 26.2 mm SL. Both from Peru, Lotero, Ulipa, near Iquitos, 03°47.613'S, 73°13.726'W.

FIGURE 1 in New species of Pyrrhulina (Ostariophysi: Characiformes: Lebiasinidae) from the Brazilian Shield, with comments on a putative monophyletic group of species in the genus

FIGURE 1. Pyrrhulina marilynae, new species: (a) MCP 47420 holotype, male, 30 mm SL, Mato Grosso, Tapurah, stream crossing MT-338 road, 62 Km to the north of Tapurah, 12°15'29"S 56°38'59"W; and (b) MCP 30231 paratype, female, 27.2 mm SL, Mato Grosso, Tabaporã, stream crossing MT-220, about 170 Km east from Porto dos Gaúchos, rio Teles Pires drainage, 11°36'48.0"S 55°57'4.0"W".

FIGURE 2 in New species of Lebiasina (Ostariophysi: Characiformes: Lebiasinidae) from the upper Mazaruni River drainage, Guyana

FIGURE 2. Map of Northeastern South America, depicting the Mazaruni river drainage and adjoining areas, with distribution of L. ardilai (triangles) and putative: Lebiasina yuruaniensis (circles) and L. unitaeniata (diamonds). White polygons represent type-localities.

FIGURE 1 in New species of Lebiasina (Ostariophysi: Characiformes: Lebiasinidae) from the upper Mazaruni River drainage, Guyana

FIGURE 1. Lebiasina ardilai, new species: (a) holotype, UG/CSBD 1663, 114.2 mm SL, male; (b) paratype ROM 83872, 113.0 mm SL, female, both from Guyana, Zone 7, Essequibo River system, Mazaruni River drainage Waruma Creek at campsite, 5°28'40.3"N 60°46'45.3"W.

Fig. 3 in New species of Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the eastern Amazon, Pará, Brazil

Fig. 3. Scatterplot of caudal peduncle depth versus SL in males and females of Pyrrhulina capim, new species. Lines represent the 95% confidence intervals.

Fig. 1 in New species of Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the eastern Amazon, Pará, Brazil

Fig. 1. Lateral view of Pyrrhulina capim, new species, rio São José, Bragança, Pará, Brazil. a. holotype, UFRGS 27300, 54.4 mm SL, male; b. paratype, UFRGS 25562, 40.4 mm SL, female.

Fig. 2 in New species of Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the eastern Amazon, Pará, Brazil

Fig. 2. Lateral view of: a. Pyrrhulina australis, MCP 39259, 38.8 mm SL, male, Poconé, Mato Grosso, Brazil; b. Pyrrhulina brevis, INPA 27819, 56.3 mm SL, male, Manaus, Amazonas, Brazil; c. Pyrrhulina elongata, MPEG 26568, 30.6 mm SL, male, Rio Tapajós, Pará, Brazil; d. Pyrrhulina filamentosa, MHNLS 14282, 59.5 mm SL, female, Essequibo River, Guiana; e. Pyrrhulina eleanorae, FMNH 113654, 39.7 mm SL, male, Rio Napo, Ecuador; f. Pyrrhulina obermulleri, ANSP 152043, 37.2 mm SL, male, Maynas, Peru; g. Pyrrhulina stoli, USNM 66254, 60.8 mm SL, female, upper Potaro river, Guyana; h. Pyrrhulina spilota, USNM 197523, 52.7 mm SL, male, Loreto, Peru; i. Pyrrhulina semifasciata, MCP 37466, 56.7 mm SL, female, Loreto, Peru; j. Pyrrhulina cf. maxima, MPEG 19120, 50.4 mm SL, male, Rio Amazonas, Brazil; k. Pyrrhulina zigzag, FMNH 94556, 35.6 mm SL, male, Rio Napo, Ecuador.

Fig. 4 in New species of Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the eastern Amazon, Pará, Brazil

Fig. 4. Map of northern portion of South America, with the distribution of Pyrrhulina capim, new species. The polygons represent the localities of the holotype and paratypes.