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14 results for “Gymnocorymbus”
FIGURE 10. Gymnocorymbus bondi. a in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 10. Gymnocorymbus bondi. a) Holotype of Phenacogaster bondi, ANSP 37863, 33.5 mm SL, Corisal, Río Orinoco basin, Venezuela; b) Holotype of Moenkhausia profunda, FMNH 53717, 39.0 mm SL, Guyana; c) Paratype of Gymnocorymbus socolofi, ANSP 139711, 26.1 mm SL, upper Río Meta, Río Orinoco basin, Colombia; d) Gymnocorymbus bondi, ANSP 191255, 59.5 mm SL, Río Ventuari, Río Orinoco basin, Venezuela. Photos by Kyle Luckenbill (a, c), ©Field Museum (b) and Mjaan McIvor (d).
FIGURE 9 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 9. Distribution map showing collecting localities of examined specimens of Gymnocorymbus bondi (white circles), G. flaviolimai (red circles), G. ternetzi (blue circles) and G. thayeri (yellow circles). White lines represent country boundaries.
FIGURE 6 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 6. Graphical representation of the differences in the pattern of the humeral mark pigmentation in (a) Gymnocorymbus ternetzi and (b) G. bondi and G. thayeri.
FIGURE 11. Gymnocorymbus ternetzi. a in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 11. Gymnocorymbus ternetzi. a) Lectotype of Tetragonopterus ternetzi, BMNH 1885.5.17.163, 42.0 mm SL, Descalvados, Mato Grosso, Rio Paraguay, Brazil, photo by Sandra J. Raredon; b) Gymnocorymbus ternetzi, LBP 3762, 38.2 mm SL, Aquidauana, Mato Grosso do Sul, Rio Paraguay, Brazil.
FIGURE 5 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 5. Second pair of uroneurals. Absent in (a) Gymnocorymbus thayeri, MZUSP 6280, 40.3 mm SL, and present in (b) G. bondi, NRM 41441, 45.6 mm SL. Blue represents residual notochord.
FIGURE 1 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 1. Phylogenetic relationships of the Characidae with a broad sampling of Gymnocorymbus obtained by a ML partitioned analyses of a concatenated characiform matrix. Clades 52, 54 and 55 correspond to prior molecular hypothesis (Oliveira et al. 2011). Asterisks represent bootstrap support ≥80%.
FIGURE 4 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 4. Left side of body of (a) Gymnocorymbus thayeri, MZUSP 6280, 38.9 mm SL showing three posteriormost pleural ribs (yellow numbers) decreasing gradually in size; and (b) Poptella compressa, MCP 25629, 42.7 mm SL showing only two posteriormost pleural ribs (yellow numbers) decreasing gradually in length.
FIGURE 3 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 3. Schematic representation of the anal fin with red arrows indicating the proximal end of the lepidotrichia of the anal fin rays overlapping the ventral end of the proximal radials of the pterygiophores in (a) Gymnocorymbus ternetzi, LIRP 5650, 40.6 mm SL; and the lack of such overlap in (b) Poptella paraguayensis, LIRP 4565, 54.6 mm SL. AFR=anal fin ray; DR=distal radial of the anal fin pterygiophores; MR=medial radial of the anal fin pterygiophores; PR=proximal radial of the anal fin pterygiophores.
FIGURE 13. Gymnocorymbus flaviolimai, INPA 47805 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 13. Gymnocorymbus flaviolimai, INPA 47805, holotype, 48.7 mm SL, Rio Guaporé, Rio Madeira, Costa Marques, Rondônia, Brazil.
FIGURE 12. Gymnocorymbus thayeri. a in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 12. Gymnocorymbus thayeri. a) Lectotype of Gymnocorymbus thayeri, MCZ 89967, 39.9 mm SL, Tefé, Rio Solimões, Rio Amazonas basin, Brazil; b) Specimen of G. thayeri, LBP 9163, 56.4 mm SL, Rio Amazonas, near Iquitos, Peru; c) Specimen of G. thayeri, ANSP 130539, 46.2 mm SL, Río Napo, Rio Amazonas basin, Ecuador; d) Specimen of G. thayeri, MZUSP 93375, 80.9 mm SL, Río Tiquié, upper Rio Negro, Brazil. Photo (a) by Museum of Comparative Zoology, Harvard University.
FIGURE 7 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 7. Representation of the posterior view of the premaxillar showing (a) pentacuspidate to heptacuspidate teeth of Gymnocorymbus thayeri, MZUSP 6280, 40.3 mm SL; and (b) tricuspidate teeth of G. ternetzi, MZUSP 18720, 39.4 mm SL.
FIGURE 8 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 8. Anterior view of a premaxillary tooth of (a) Gymnocorymbus flaviolimai, INPA 11098, 46.7 mm SL, relatively smaller, pentacuspidate tooth; (b) G. ternetzi, LIRP 367, 37.7 mm SL, tricuspidate tooth; and (c) G. thayeri, LBP 17756, 40.2 mm SL, relatively larger, pentacuspidate tooth. Scale bar = 0.25 mm.
FIGURE 2 in Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
FIGURE 2. Interspecific relationships within Gymnocorymbus obtained by a Bayesian analysis of the reduced dataset. Numbers on branches represent the posterior probabilities for that split obtained in Bayesian analysis.
FIGURE 40. Gymnocorymbus bondi, ROM 88745, 32 in Annotated list and key to the stream fishes of Trinidad & Tobago
FIGURE 40. Gymnocorymbus bondi, ROM 88745, 32 mm SL, Río Cinaruco, at Laguna Larga, Venezuela.
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OpenNeuro
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