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9 results for “Priocharax”
FIGURE 7 in A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil
FIGURE 7 | Maximum likelihood tree of five species of Priocharax, based on the COI gene (642 bp). Bars represent the number of species obtained by the ABGD and bPTP analyses. Numbers near nodes represent bootstrap values.
FIGURE 1 in A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil
FIGURE 1 | Priocharax britzi, A. Holotype, male, MZUSP 125822, 13.7 mm SL; Brazil, Amazonas, Canutama, small lake approximately 400 m from the rio Ipixuna, after bridge crossing this river, on the right side of the Transamazônica Road (BR–230) going from Humaitá to Lábrea, rio Ipixuna drainage. B. Live paratype photographed immediately after capture.
FIGURE 4 in A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil
FIGURE 4 | Shoulder girdle in lateral view of A. Priocharax britzi, paratype, MZUSP 125823, 12.9 mm SL, c&s. Image flipped. B. Priocharax cf. ariel, UFRO 15521, 11.8 mm SL, c&s. Cl = cleithrum; PecRdC = pectoral-fin radial cartilage; FIGURE 5 | Priocharax britzi, paratype, MZUSP 125823, 12.9 Pcl = unidentified postcleithrum; Pcl3 = postcleithrum 3; Pt = posttemporal; mm SL, c&s; Weberian apparatus in lateral view. Exoc = ScCoC = scapulocoracoid cartilage; Sucl = supracleithrum. Arrows point exoccipital; Int = intercalarium; NA3 – 4 = neural arches to middle fissure on pectoral-fin radial cartilage. Pcl3 slightly displaced 3 – 4; NS4 = neural spine 4; OsS = os suspensorium; Sca = ventrally from original position in A. Scale bars = 0.5 mm. scaphium; Sn3 = supraneural 3; Soc = supraoccipital; T = tripus. Scale bar = 0.2 mm.
FIGURE 9 in A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil
FIGURE 9 | Small lake approximately 400 m from the rio Ipixuna, Canutama, Amazonas, Brazil, the type locality of Priocharax britzi.
FIGURE 3 in A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil
FIGURE 3 | Priocharax britzi, paratype, MZUSP 125823, 12.9 mm SL, c&s; jaws in lateral view. Ana = anguloarticular; Cm = coronomeckelian; De = dentary; MC = Meckel's cartilage; Mx = maxilla; Pmx = premaxilla; Ra = retroarticular. Scale bar = 0.2 mm.
FIGURE 6 in A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil
FIGURE 6 | Priocharax britzi, holotype, MZUSP 125822, 13.7 mm SL. A. Left lateral view of anal fin showing bony hooks. B. Ventral view of pelvic fin showing bony hooks. Scale bars = 0.5 mm.
FIGURE 2 in A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil
FIGURE 2 | Priocharax britzi, paratypes, MZUSP 125823, c&s; anterior region of head in lateral view detailing the orbital region. A. 12.5 mm SL. B. 12.9 mm SL, image flipped. Antorbital and infraorbitals delimited by black line for clarity. Ant = antorbital; IO2 – 3 = infraorbitals 2 – 3. Scale bar = 0.2 mm.
FIGURE 8 in A new miniature species of Priocharax (Characiformes: Characidae) from the upper rio Ipixuna, Purus drainage, Brazil
FIGURE 8 | Map of South America with a close-up of the upper and central portions of the Amazon basin, Brazil, illustrating the distribution of the five species of Priocharax: P. britzi described herein from the rio Purus basin (green losangle), P. varii (red dot), P. ariel (black dots), P. nanus (blue dot), and P. pygmaeus (yellow dots). Colors are the same as in the Fig. 7. Some dots may represent more than one lot.
FIGURE 1 in Notes on the skeletal anatomy of Priocharax ariel Weitzman & Vari, 1987 with implications for its taxonomy (Teleostei: Characiformes)
FIGURE 1. Priocharax ariel, paratype, ANSP 158006 (12.8 mm SL), Venezuela, Territorio Federal Amazonas, Caño Manu, tributary of Río Casiquiare, upper Orinoco basin. High resolution x-ray computer microtomography reconstruction. A. Left lateral view of head showing infraorbital series in red and postcleithrum in blue. B. Detail of left infraorbital series. C. Detail of left pectoral girdle. Cle, cleithrum; Io1–3, infraorbital 1–3; Pcle, postcleithrum; Ptem, posttemporal; Scle, supracleithrum. Scale bars: 0.5 mm.
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