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30 results for “Otothyropsis”
Fig. 1 in First cytogenetic record for a species of Otothyropsis Ribeiro, Carvalho & Melo, 2005 (Loricariidae, Hypoptopomatinae)
Fig. 1. Localization of córrego Dourado in the upper rio Paraná basin where specimens were captured. Black dot indicates the sampled point.
Fig. 3 in First cytogenetic record for a species of Otothyropsis Ribeiro, Carvalho & Melo, 2005 (Loricariidae, Hypoptopomatinae)
Fig. 3. Karyotypes stained with Giemsa (a) and C-banding (b) of Otothyropsis cf. polyodon from the córrego Dourado. Box: pair 24, bearing the NOR.
Fig. 2 in First cytogenetic record for a species of Otothyropsis Ribeiro, Carvalho & Melo, 2005 (Loricariidae, Hypoptopomatinae)
Fig. 2. Otothyropsis cf. polyodon (NUP 16171), sampled in the córrego Dourado, Mato Grosso do Sul State, Brazil. Bar = 10 mm.
Fig. 8 in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 8. Dorsal view of the posterolateral portions of the skull of Otothyropsis marapoama, Paratype, LIRP 5641, 29.0 mm SL. Arrows indicate the internal limits of the swimbladder capsule seen by transparency in c&s specimens. Note that supraoccipital contributes to dorsal wall of swimbladder capsule. Anterior at top.
Fig. 5. Otothyropsis marapoama, a in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 5. Otothyropsis marapoama, a) branchial skeleton in dorsal view, except for upper elements of right side in ventral view, anterior to top, paratype, LIRP 5641, 24.2.mm SL; b) Upper pharyngeal toothplate in lateral view, showing its reduced condition relative to fourth infra-pharyngobranchial, Anterior to left paratype LIRP 4621, 27.6 mm SL (see Schaefer, 1991, fig. 5 a, b and c for comparisons).
Fig. 6 in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 6. Skull of Otothyropsis marapoama, paratype LIRP 5641, 29.0 mm SL, in lateral view. Dermal plates of the dorsal snout anterior to the frontals removed. Anterior to right.
Fig. 3 in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 3. Skull of Otothyropsis marapoama, paratype, LIRP 5641, 29.0 mm SL, a) dorsal view; b) lateral view.
Fig. 1 in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 1. Otothyropsis marapoama, holotype, LIRP 5640, 38.5 mm SL. Brazil, São Paulo, rio Tietê basin, Município de Marapoama, ribeirão Cubatão, off the road between Marapoara and Elisiário (21º11'35"S 49º07'22"W). Dorsal (a), lateral (b), and ventral (c) views.
Fig. 7 in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 7. Comparative morphology of the compound pteroticsupracleithrum-posttemporal, a) Schizolecis guntheri, LIRP 555, 38 mm SL;, b) Otothyropsis marapoama, Paratype LIRP 5641, 29.0 mm SL, c) Pseudotothyris obtusa, LIRP 525, 27.4 mm SL, and d) Otothyris lophophanes, MZUSP 80205, 22 mm SL. Numbers 1 to 4 correspond to homologous fenestrae. Arrows indicate the homologous pores of the lateral line system. (I) opening of the preopercular latero-sensory canal and (II) opening of the posterolateral latero-sensory canal.
Fig. 4 in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 4. Otothyropsis marapoama, paratype, LIRP 5641, 29.0 mm SL, a) pectoral girdle and abdominal platelets in ventral view, anterior to top; b) basipterygium in dorsal view, anterior to top.
Fig. 2 in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 2. Southeastern Brazil showing type-locality of Otothyropsis marapoama in the middle stretch of the rio Tietê basin (1: rio Tietê; 2: rio Grande; 3: rio Paraná; 4: rio Paranapanema; 5: rio Ribeira de Iguape; 6: rio Paraíba do Sul).
Fig. 10 in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 10. Phylogenetic relationships of Otothyropsis marapoama. Characters states supporting nodes are unambiguous characters published by Schaefer (1998), except for characters 47, 48 and 49, included in our reanalysis. Paedomorphic characters commented in the text represent putative additional synapomorphies of Otothyris and Pseudotothyris.
Figure 4 in First record and extended distribution of Otothyropsis piribebuy (Loricariidae: Hypoptopomatinae) in Brazil
Figure 4. Prediction map of occurrence, with higher values on scale representing chances of captures. Black line: country boundaries. Red line: rio Paraguay basin limits. Red squares:Paraguayan sampling sites – holotype (H), paratypes (P), and non-type specimens examined.White squares: new occurrence in Brazilian territory.
Figure 1 in First record and extended distribution of Otothyropsis piribebuy (Loricariidae: Hypoptopomatinae) in Brazil
Figure 1. Distribution of Otothyropsis piribebuy within the rio Paraguay basin. Star = holotype; square = paratype; triangle = non-type, from Paraguay. Circles = new occurrence in Brazil.
Figure 3 in First record and extended distribution of Otothyropsis piribebuy (Loricariidae: Hypoptopomatinae) in Brazil
Figure 3. Principal Component Analysis (PCA) using specimens of Otothyropsis piribebuy from both Paraguayan (▲) and Brazilian (●) territories. The two distinct clusters represent males and females, evidencing the sexual dimorphism present in the species.
Figure 2 in First record and extended distribution of Otothyropsis piribebuy (Loricariidae: Hypoptopomatinae) in Brazil
Figure 2. Otothyropsis piribebuy, nontype, first record in Brazilian territory, ZUFMS 5796, 23.8 mm SL, female, Rego d'Água, Porto Murtinho, Mato Grosso do Sul, Brazil.
Fig. 9 in Description and relationships of Otothyropsis marapoama, a new genus and species of Hypoptopomatine catfish (Siluriformes: Loricariidae) from rio Tietê basin, southeastern Brazil
Fig. 9. Suspensorium of Otothyropsis marapoama. Paratype, LIRP 5641, 29.0 mm SL.
FIGURE 6 in Two new species of cascudinhos of the genus Otothyropsis (Siluriformes: Hypoptopomatinae) from the rio Paraná basin, Brazil
FIGURE 6. Otothyropsis biamnicus, holotype, MCP 47288, female, 38.0 mm SL, Brazil, ribeirão Harmonia, tributary to rio Tibagi basin, rio Paraná dranaige.
FIGURE 2 in Two new species of cascudinhos of the genus Otothyropsis (Siluriformes: Hypoptopomatinae) from the rio Paraná basin, Brazil
FIGURE 2. Biplot of the Canonical Variates Analysis comparing Otothyropsis piribebuy (circles), O. biamnicus (squares), O. marapoama (triangles), and O. polyodon (diamond).
FIGURE 1 in Two new species of cascudinhos of the genus Otothyropsis (Siluriformes: Hypoptopomatinae) from the rio Paraná basin, Brazil
FIGURE 1. Biplot of the Principal Components Analysis comparing Otothyropsis piribebuy (circles), O. biamnicus from rio Tibagi basin (black squares), O. biamnicus from rio Iguaçu basin (white squares), O. marapoama (triangles), and O. polyodon (diamond).
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