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Fig. 11 in Gymnotocinclus anosteos, a new uniquely-plated genus and species of loricariid catfish (Teleostei: Siluriformes) from the upper rio Tocantins basin, central Brazil

Fig. 11. Geographic distribution of Gymnotocinclus anosteos in the upper rio Tocantins drainage. Circles represent collecting sites, and T is the type-locality.

Fig. 6 in Three new species of the armored catfish genus Loricaria (Siluriformes: Loricariidae) from river channels of the Amazon basin

Fig. 6. Geographic distributions of Loricaria lundbergi (type locality = 1), L. spinulifera (type locality = 2), and L. pumila (type locality = 3) based on material examined.

Fig. 2 in Gymnotocinclus anosteos, a new uniquely-plated genus and species of loricariid catfish (Teleostei: Siluriformes) from the upper rio Tocantins basin, central Brazil

Fig. 2. Gymnotocinclus anosteos, cleared and stained paratype, MCP 41726, male, 40.5 mm SL, collected with the holotype.

Fig. 3 in Rineloricaria osvaldoi (Siluriformes: Loricariidae): a new species of armored catfish from rio Vermelho, Araguaia basin, Brazil

Fig. 3. Rineloricaria osvaldoi, dorsal and ventral views of the anterior region of the body (a and b, male, MZUSP 89022 126.3 mm SL, c and d, female, MZUSP 89075, 125.7 mm SL).

Fig. 3 in Scoloplax baskini: a new spiny dwarf catfish from rio Aripuanã, Amazonas, Brazil (Loricarioidei: Scoloplacidae)

Fig. 3. Partial cranial osteology of Scoloplax baskini, INPA 28650, paratype, 16.1 mm SL, anterior toward left. Rostral plate removed. f = frontal; me = mesethmoid; le = lateral ethmoid; lep = lateral ethmoid plate; so = supraoccipital; sp = sphenotic. Scale = 0.5 mm.

Fig. 4 in Scoloplax baskini: a new spiny dwarf catfish from rio Aripuanã, Amazonas, Brazil (Loricarioidei: Scoloplacidae)

Fig. 4. Partial cranial osteology in Scoloplax. a, S. dicra; b, S. distolothrix; c, S. empousa; d, S. dolicholophia; e, S. baskini, INPA 28650, paratype, 11.8 mm SL. Anterior toward left. Rostral plate and lateral ethmoid plate removed. f = frontal; me = mesethmoid; le = lateral ethmoid. Scale = 0.5 mm. Figures a-d modified from Schaefer (1990).

Fig. 2. Scoloplax baskini, INPA 28649 in Scoloplax baskini: a new spiny dwarf catfish from rio Aripuanã, Amazonas, Brazil (Loricarioidei: Scoloplacidae)

Fig. 2. Scoloplax baskini, INPA 28649, paratype, 16.3 mm SL, in lateral (top), dorsal (middle) and ventral (bottom) views. Illustration by Deyse Silva.

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.

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Fig. 6 in Trichomycterus igobi, a new catfish species from the rio Iguaçu drainage: the largest head in Trichomycteridae (Siluriformes: Trichomycteridae)

Fig. 6. Dorsal view of the right palatine of Trichomycterus igobi, MPEG 13354, paratype. Arrow indicates mesial bony expansion.

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Fig. 1. Trichomycterus igobi, MPEG 13352 in Trichomycterus igobi, a new catfish species from the rio Iguaçu drainage: the largest head in Trichomycteridae (Siluriformes: Trichomycteridae)

Fig. 1. Trichomycterus igobi, MPEG 13352, holotype, 90.1 mm SL. Lateral view of right side (photograph inverted).

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Fig. 1 in Scientific Note Pimelodus microstoma Steindachner, 1877, a valid species of pimelodid catfish (Siluriformes: Pimelodidae) from the upper rio Paraná drainage

Fig. 1. Principal components analysis on covariance matrix of log-transformed measurements of Pimelodus microstoma from the upper Paraná (inverted triangles), syntypes of Pimelodus microstoma (dots), and Pimelodus blochii species-group (squares).

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Fig. 3 in Trichomycterus igobi, a new catfish species from the rio Iguaçu drainage: the largest head in Trichomycteridae (Siluriformes: Trichomycteridae)

Fig. 3. Southern Brazil, showing approximate geographical distribution (black circle) of Trichomycterus igobi.

Fig. 1. Corydoras ortegai, MUSM 28000 in Corydoras ortegai, a new species of corydoradine catfish from the lower río Putumayo in Peru (Ostariophysi: Siluriformes: Callichthyidae)

Fig. 1. Corydoras ortegai, MUSM 28000, holotype, 32.7 mm SL: Peru, Depto. Loreto, Quebrada Coronel Díaz, tributary of río Yaguas.

Fig. 2. Corydoras ortegai, MUSM 28000 in Corydoras ortegai, a new species of corydoradine catfish from the lower río Putumayo in Peru (Ostariophysi: Siluriformes: Callichthyidae)

Fig. 2. Corydoras ortegai, MUSM 28000, holotype, 32.7 mm SL: Peru, Depto. Loreto, Quebrada Coronel Díaz, tributary of río Yaguas. Caudal fin reconstructed after MUSM 27154, 27.7 mm SL.

Fig. 3 in Hypostomus chrysostiktos, a new species of armored catfish (Siluriformes: Loricariidae) from rio Paraguaçu, Bahia State, Brazil

Fig. 3. Rio Paraguaçu basin and adjoining area in Northeastern Brazil, showing geographic distribution of Hypostomus chrysostiktos (type-locality represented by open square).

Fig. 5 in A fossil loricariid catfish (Siluriformes: Loricarioidea) from the Taubaté Basin, eastern Brazil

Fig. 5. Taubateia paraiba, posterior region of the neurocranium and first vertebrae articulated: a, fossil sprinkled with ammonium chloride; b, interpretative drawing. Abbreviations: af, articular facet for rib on v6; ag, aortic groove; bl, basioccipital lateral process; bo, basioccipital; cc, Weberian complex centrum; ex, exoccipital; exf, exoccipital foramina; hbf, hyomandibular branch of facial nerve foramen; pr, prootic; pt, pterotic-supracleithrum; tgf, trigeminofacial foramen; v6, sixth vertebrae.