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Fig. 11 in Ituglanis macunaima, a new catfish from the rio Araguaia basin, Brazil (Siluriformes: Trichomycteridae)

Fig. 11. Type locality of Ituglanis macunaima, corixo da Saudade (14o17'20.6"S 51o09'12.1"W); Brazil, Mato Grosso.

Fig. 9 in Ituglanis macunaima, a new catfish from the rio Araguaia basin, Brazil (Siluriformes: Trichomycteridae)

Fig. 9. Caudal skeleton of Ituglanis macunaima, paratype, LIRP 5642 (29.1 mm SL), left lateral view. Abbreviations: HSP, hemal spine; HUP+SHP, hypurapophysis-secondary hypurapophysis fused; HU3+HU4+HU5, fused hypural 3- hypural 4-hypural 5; NSP, neural spine; PHU+HU1+HU2, fused parhypural-hypural 1-hypural 2; PU1+UR1, preural 1-ural 1 compound centrum; PU2, preural centrum 2; UNE, uroneural.

Fig. 6 in Ituglanis macunaima, a new catfish from the rio Araguaia basin, Brazil (Siluriformes: Trichomycteridae)

Fig. 6. Branchial skeleton of Ituglanis macunaima, paratype, MZUSP 86251 (25.5 mm SL), dorsal view, right dorsal elements and gill rakers not shown. Abbreviations: BB2-4, basibranchials 2 to 4; CB1-5, ceratobranchials 1 to 5; EB1-4, epibranchials 1 to 3; HB1-3, hypobranchials 1 to 3; PB3-4, pharyngobranchials 3 to 4; TPL, tooth plate.

Fig. 8 in Ituglanis macunaima, a new catfish from the rio Araguaia basin, Brazil (Siluriformes: Trichomycteridae)

Fig. 8. Pelvic girdle of Ituglanis macunaima, paratype, LIRP 5642 (29.1 mm SL), ventral view, right pelvic rays and splint not shown. Abbreviations: BPT, basipterygium; eap, external anterior process; iap, internal anterior process; PSP, pelvic splint; PVR, pelvic rays.

Fig. 10 in Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae); a revisionary study

Fig. 10. Map of central and northern South America showing distribution of Auchenipterichthys punctatus (triangles; holotype locality inexact = "probably Brazil", 1 = holotype locality of Auchenipterichthys dantei), and A. thoracatus (dots; 2 = Guaporé, presumably = rio Guaporé, the type locality of species) (some symbols represent more than one locality or lot of specimens).

Fig. 2 in Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae); a revisionary study

Fig. 2. Auchenipterichthys coracoideus, life coloration, ANSP 178446, 94 mm SL, Río Nanay, at Pampa Chica, village 4.54 km W of Iquitos (3°45'09"S, 73°17'00"W). Basal adipose fin spot not readily evident in this photograph, but can be seen in the photograph of the same specimen after specimen had been preserved (Fig. 3). Photograph by Mark Sabaj.

Fig. 2 in Ituglanis macunaima, a new catfish from the rio Araguaia basin, Brazil (Siluriformes: Trichomycteridae)

Fig. 2. Skull and Weberian apparatus of Ituglanis macunaima. a, paratype, LIRP 5642, 29.1 mm SL, dorsal view; b, paratype, MZUSP 86251 (25.5 mm SL), ventral view. Abbreviations: AOR, antorbital; APA, autopalatine; BAO+EXO, basioccipitalexoccipital bone; EPO, epioccipital; FRO, frontal; i10-11, infraorbital sensory pores 10 to 11; laf, ramus lateralis acessorius facialis foramen; LET, lateral ethmoid; MAX, maxilla; MET, mesethmoid; OSP, orbitosphenoid; PAS, parasphenoid; PMX, premaxilla; po1-2, postotic sensory pores 1 to 2; PSC, "posttemporosupracleithrum"; PSO, parieto-supraoccipital; PTE, pterotic; SOR, supraorbital tendon-bone; so3, 6, supraorbital sensory pores 3 and 6; SPH+POT+PSF, sphenotic-prootic-pterosphenoid bone; tgf, trigeminofacial nerve foramina; VOM, vomer; WEB, Weberian apparatus.

Fig. 9. Auchenipterichthys punctatus, MCNG 25981, 149 in Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae); a revisionary study

Fig. 9. Auchenipterichthys punctatus, MCNG 25981, 149 mm SL; Venezuela, Amazonas, río Siapa approximately 124 km from mouth in río Casiquiare (1°49'N, 65°48'W).

Fig. 5 in Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae); a revisionary study

Fig. 5. Map of central and northern South America showing distribution of Auchenipterichthys coracoideus (1 = holotype locality; some symbols represent more than one locality or lot of specimens).

Fig. 1 in Ituglanis macunaima, a new catfish from the rio Araguaia basin, Brazil (Siluriformes: Trichomycteridae)

Fig. 1. Ituglanis macunaima, holotype, MZUSP 88452, 30.5mm SL; Brazil, Mato Grosso, corixo da Saudade. a, lateral view; b, dorsal view; c, ventral view.

Fig. 1 in Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae); a revisionary study

Fig. 1. Ventral view of anterior portion of body of (A) Auchenipterichthys coracoideus, ANSP 178446, 94 mm SL; (B) A. thoracatus, FMNH 57798, 89 mm SL; and (C) A. longimanus, INHS 61570, 67 mm SL; showing different degrees of exposure of coracoid in that region. Line points to exposed coracoids.

Fig. 4. Auchenipterichthys coracoideus, AMNH 12700, 100 in Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae); a revisionary study

Fig. 4. Auchenipterichthys coracoideus, AMNH 12700, 100 mm SL, nuptial male; Brazil, rio Livramento, tributary of rio Madeira (7°17'S, 62°22'W). Posterior rays of anal fin folded over, which gives an incorrect impression of the fin margin.

Fig. 5 in Ituglanis macunaima, a new catfish from the rio Araguaia basin, Brazil (Siluriformes: Trichomycteridae)

Fig. 5. Hyoid arch of Ituglanis macunaima, paratype, LIRP 5642 (29.1 mm SL), ventral view, left hyoid bar not shown. Abbreviations: ACH, anterior ceratohyal; BRR, branchiostegal rays; ICH, interceratohyal cartilage; PCH, posterior ceratohyal; UHY, urohyal; VHH, ventral hypohyal.

Fig. 7 in Ituglanis macunaima, a new catfish from the rio Araguaia basin, Brazil (Siluriformes: Trichomycteridae)

Fig. 7. Pectoral girdle of Ituglanis macunaima, paratype, LIRP 5642 (29.1 mm SL), ventral view of right side. Abbreviations: CLE, cleithrum; PTR, pectoral rays; PR1, proximal radial 1 (cartilaginous); PR2, proximal radial 2; SCO, scapulocoracoid.

Fig. 7 in Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae); a revisionary study

Fig. 7. Map of central and northern South America showing distribution of Auchenipterichthys longimanus (1 = holotype locality; some symbols represent more than one locality or lot of specimens).

Fig. 4 in Ituglanis macunaima, a new catfish from the rio Araguaia basin, Brazil (Siluriformes: Trichomycteridae)

Fig. 4. Suspensorial and opercular series of Ituglanis macunaima, paratype, MZUSP 86251 (25.5 mm SL), lateral view of right side. Abbreviations: HYO, hyomandibula; IOP, interopercle; MPT, metapterygoid; OPE, opercle; POP, preopercle; QUA, quadrate.

Fig. 8. Auchenipterichthys punctatus, MCNG 42191, 58 in Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae); a revisionary study

Fig. 8. Auchenipterichthys punctatus, MCNG 42191, 58 mm SL; Venezuela, Amazonas, Caño Candela, near its confluence with río Pasimoni (1°32'06"N, 66°34'34"W).

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Fig. 9 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex

Fig. 9. Map of Southeastern South America with the geographic distribution of Trichomycterus maracaya plotted; 1, rio Grande; 2, rio Tietê; 3, rio Paraná.

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Fig. 8 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex

Fig. 8. Branchial skeleton of Trichomycterus maracaya (LIRP 4381), 43.9 mm SL, paratype. Dorsal view. Dorsal elements of right gill arches and gill rakers not shown. Abbreviations: BB2-4, basibranchials 2 to 4; CB1-5, ceratobranchials 1 to 5; EB1-5, epibranchials 1 to 5; HB1-3, hypobranchials 1 to 3; PB3-4, pharyngobranchials 3 and 4; TP, tooth plate. Scale bar = 1 mm.