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52 results for “Aspredinidae”
Fig. 6 in Bunocephalus erondinae, a new species of banjo catfish from southern Brazil (Siluriformes: Aspredinidae)
Fig. 6. Map of Rio Grande do Sul, Brazil, and Uruguay showing the distribution of Bunocephalus erondinae. Each square represents one or more collecting localities. "T" indicates the type-locality.
Fig. 5 in Bunocephalus erondinae, a new species of banjo catfish from southern Brazil (Siluriformes: Aspredinidae)
Fig. 5. Lateral view of the caudal skeleton of (a) Bunocephalus erondinae, paratype, MCP 33664 (68.5 mm SL) and of (b) B. doriae, MCP 13176 (50.9 mm SL). Scale bar = 1 mm.
Fig. 1. Bunocephalus erondinae, MCP 40877 in Bunocephalus erondinae, a new species of banjo catfish from southern Brazil (Siluriformes: Aspredinidae)
Fig. 1. Bunocephalus erondinae, MCP 40877, holotype, 82.9 mm SL, canal São Gonçalo, laguna dos Patos system, Pelotas, Rio Grande do Sul, Brazil.
Fig. 4 in Bunocephalus erondinae, a new species of banjo catfish from southern Brazil (Siluriformes: Aspredinidae)
Fig. 4. Dorsal view of the hyoid bar of (a) Bunocephalus erondinae, paratype, MCP 33664 (68.5 mm SL) and of (b) B. doriae, MCP 13176 (50.9 mm SL).AC, anterior ceratohyal; HYP, hypohyal; and PC, posterior ceratohyal. Scale bar = 1 mm.
Fig. 3 in Bunocephalus erondinae, a new species of banjo catfish from southern Brazil (Siluriformes: Aspredinidae)
Fig. 3. Dorsal view of the quadrate and metaperygoid of (a) Bunocephalus erondinae, paratype, MCP 33664 (68.5 mm SL) and of (b) B. doriae, MCP 13176 (50.9 mm SL). MET, metapterygoid, and QUA, quadrate. Scale bar = 1 mm.
Fig. 3 in Pseudobunocephalus, a new genus of banjo catfish with the description of a new species from the Orinoco River system of Colombia and Venezuela (Siluriformes: Aspredinidae)
Fig. 3. Dorsal view of the neurocranium and Weberian complex of Pseudobunocephalus lundbergi, ANSP 172505. Arrow indicates the exit of the infraorbital canal from the sphenotic. Scale bar equals 1 mm.
Fig. 4 in Pseudobunocephalus, a new genus of banjo catfish with the description of a new species from the Orinoco River system of Colombia and Venezuela (Siluriformes: Aspredinidae)
Fig. 4. Dorsal, lateral and ventral views of Pseudobunocephalus lundbergi, Holotype, ANSP 168817, 28.4 mm SL, Venezuela, Bolivar, caño Barranca, approximately 1.25 hours downstream from Jabillal (opposite bank) on río Caura (07°08'N 65°04'W), collected by J. Böhlke and W. Saul, 30 Jan 1977. Note the caudal fin is normal and intact, but has been creased and folded in preservation. Photographs by T. R. Vigliotta.
Fig. 5 in Pseudobunocephalus, a new genus of banjo catfish with the description of a new species from the Orinoco River system of Colombia and Venezuela (Siluriformes: Aspredinidae)
Fig. 5. Distribution map for Pseudobunocephalus lundbergi with the type locality indicated by a star symbol.
Fig. 1 in Pseudobunocephalus, a new genus of banjo catfish with the description of a new species from the Orinoco River system of Colombia and Venezuela (Siluriformes: Aspredinidae)
Fig. 1. Lateral view (anterior to the right) of the suspensorium, hyoid arch and lower jaw of Pseudobunocephalus lundbergi, ANSP 172505, paratype. Scale bar equals 1 mm.
Fig. 2 in Pseudobunocephalus, a new genus of banjo catfish with the description of a new species from the Orinoco River system of Colombia and Venezuela (Siluriformes: Aspredinidae)
Fig. 2. Medial view (anterior to the left) of the autopalatine of Pseudobunocephalus lundbergi, ANSP 172505, paratype. Note forked posterior margin with two separate terminal cartilages (stippled with open circles). Scale bar equals 1 mm.
Figure 6. High-resolution x in Two new catfish species of typically Amazonian lineages in the Upper Rio Paraguay (Aspredinidae: Hoplomyzontinae and Trichomycteridae: Vandelliinae), with a biogeographic discussion
Figure 6. High-resolution x-ray computerized microtomography (HRXCT) of Ernstichthys taquari, MZUSP 125825, holotype, 22.8 mm SL. (a) Dorsal view, (b) lateral view of left side, (c) ventral view. acf: anterior cranial fontanel; ach: anterior ceratohyal; ang: anguloarticular; bp: basipterygium; br: branchiostegal rays; cl: cleithrum; co: coracoid; cv: complex vertebra; den: dentary; ds: dorsal shield element; eap: expanded first anal-fin pterygiophore (= second ventral shield); ehs: expanded hemal spine (= first ventral shield); fr: frontal; hyo: hyomandibula; io1: first infraorbital; iop: interopercle; let: lateral ethmoid; lp: lateral plate element (= expanded lateral-line ossicle); mes: mesethmoid; mnp: middle nuchal plate; mx: maxilla; op: opercle; pa: parasphenoid; pal: palatine; pch: posterior ceratohyal; pfr: pelvic-fin rays; pfs: pectoral-fin spine; pmx: premaxilla; pnp: posterior nuchal plate (= first dorsal shield); pso: parietosupraoccipital; pto: pterotic; pv5: parapophysis of fifth vertebra; qu: quadrate; sc: posttemporosupracleithrum; spo: sphenotic; vh: ventral hypohyal; vs: ventral shield element.
Figure 5. Ernstichthys taquari, MZUSP 125826, paratypes. Left side specimen 20.2 in Two new catfish species of typically Amazonian lineages in the Upper Rio Paraguay (Aspredinidae: Hoplomyzontinae and Trichomycteridae: Vandelliinae), with a biogeographic discussion
Figure 5. Ernstichthys taquari, MZUSP 125826, paratypes. Left side specimen 20.2 mm SL: (a) lateral view, (b) dorsal view, (c) ventral view; right side specimen 22.7 mm SL: (d) lateral view, (e) dorsal view, (f) ventral view.
Figure 8 in Two new catfish species of typically Amazonian lineages in the Upper Rio Paraguay (Aspredinidae: Hoplomyzontinae and Trichomycteridae: Vandelliinae), with a biogeographic discussion
Figure 8. Water divide between upper Paraguay (black rivers), upper Paraná (blue rivers), and upper Araguaia (white rivers). Gray dash-line represents the Trans-brazilian lineament. Thin yellow dashed line means water divide boundaries between neighbouring basins. Black star shows type locality of Ernstichthys taquari and Paracanthopoma saci.
Figure 1. Paracanthopoma saci, MZUSP 125624 in Two new catfish species of typically Amazonian lineages in the Upper Rio Paraguay (Aspredinidae: Hoplomyzontinae and Trichomycteridae: Vandelliinae), with a biogeographic discussion
Figure 1. Paracanthopoma saci, MZUSP 125624, holotype, 19.1 mm SL. Brazil, Mato Grosso do Sul, Alcinópolis, Rio Taquarizinho. (a) Lateral view, (b) Dorsal view of head, (c) Ventral view of head. Photos by V. Reis.
Figure 3 in Two new catfish species of typically Amazonian lineages in the Upper Rio Paraguay (Aspredinidae: Hoplomyzontinae and Trichomycteridae: Vandelliinae), with a biogeographic discussion
Figure 3. Distribution map of Ernstichthys spp. (open dots) and Paracanthopoma spp. (black diamonds). Red star indicates type-locality of Ernstichthys taquari and Paracanthopoma saci.
Figure 4 in Two new catfish species of typically Amazonian lineages in the Upper Rio Paraguay (Aspredinidae: Hoplomyzontinae and Trichomycteridae: Vandelliinae), with a biogeographic discussion
Figure 4. Ernstichthys taquari, Brazil, Mato Grosso do Sul, Alcinópolis, RioTaquarizinho State, MZUSP 125825, holotype, 22.8 mm SL. (a) Lateral view, (b) dorsal view, (c) ventral view. Photos by V. Reis.
Figure 7 in Two new catfish species of typically Amazonian lineages in the Upper Rio Paraguay (Aspredinidae: Hoplomyzontinae and Trichomycteridae: Vandelliinae), with a biogeographic discussion
Figure 7. Ancestral geographic reconstruction from Aspredinidae using BBM (7A) and S-DIVA (7B) and from the MTSVG clade of Trichomycteridae using S-DIVA (7C) and BBM (7D). Biogeographical regions: A = Amazon-core; B = São Francisco and Eastern Coastal drainages; C = Paraná-Paraguay; D = Trans-Andean. Black arrows indicate biotic dispersal from Amazon-core to Paraná-Paraguay region. See Materials and Methods section for further analytic details.
FIGURE 1. Bunocephalus larai, LIRP 9991, 49.5 in Bunocephalus hertzi, a new banjo catfish from the upper Rio Paraná basin, Brazil (Siluriformes: Aspredinidae), with the redescription of Bunocephalus larai Ihering 1930
FIGURE 1. Bunocephalus larai, LIRP 9991, 49.5 mm SL; Brazil, Goiás: upper Rio Paraná, Rio Paranaíba, Ribeirão Ponte Alta.
Figure 2 in Two new catfish species of typically Amazonian lineages in the Upper Rio Paraguay (Aspredinidae: Hoplomyzontinae and Trichomycteridae: Vandelliinae), with a biogeographic discussion
Figure 2. Live coloration of Paracanthopoma saci. Lateral view of MZUSP 125622, 19.9 mm SL.
FIGURE 4 in A new species of Amaralia Fowler (Siluriformes: Aspredinidae) from the Paraná-Paraguay River Basin
FIGURE 4. Dorsal view of neurocranium and Weberian apparatus of Amaralia oviraptor ANSP 197190, 104 mm SL. EX, extrascapula; EP, epioccital; F, frontal; LE, lateral ethmoid; ME, Mesethmoid; SPH, sphenotic; SOC, supraoccipital; STF supratemporal fossa; SU, supracleithrum; PTE, pterotic; VP4 parapophysis of fourth vertebra; and VP5 parapophysis of fifth vertebra. Scale bar = 2 mm.
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OpenNeuro
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