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Fig. 1 in A new subspecies of Pierella lena (Lepidoptera: Nymphalidae: Satyrinae) in northeastern Brazil

Fig. 1. Pierella lena atlantica ssp. nov.: A–B, Male holotype, dorsal and ventral; C–D, female allotype, dorsal and ventral. Pierella lena lena: E–F, male, dorsal and ventral; G–H, female, dorsal and ventral. Scale = 10 mm.

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Fig. 2 in A new subspecies of Pierella lena (Lepidoptera: Nymphalidae: Satyrinae) in northeastern Brazil

Fig. 2. Pierella lena atlantica ssp. nov.: Male genitalia. A, Lateral; B, dorsal; C, ventral; D–F, aedeagus lateral lef, lateral right, and dorsal; G, valva inner view. Female genitalia. H–I, Lateral and ventral. Scales = 1 mm.

Fig. 10 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 10. Geographic distribution of the three Ituglanis species in northeastern Brazil. The locality of Ituglanis agreste (rio Tarugo) represents the type locality.

Fig. 11 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 11. Type locality of Ituglanis agreste, Brazil, Bahia State, Boa Nova municipality, rio Tarugo, rio de Contas basin.

Fig. 1 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 1. Ituglanis agreste, new species, holotype, MNRJ 40196, 40.5 mm SL, Brazil, Bahia State, municipality of Boa Nova, rio de Contas basin. a - lateral; b - dorsal; c - ventral views.

Fig. 9 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 9. Caudal skeleton of Ituglanis agreste, paratype, UFRN 38, 41.8 mm SL. Left lateral view. Abbreviations: HS, hemal spines; H3, hypural 3; H4+H5, hypurals 4 and 5 fused; NS, neural spine; PC1+UR, pleural 1 and ural fused; PC2, pleural centrum 2; PH+HU1+HU2, parhypural partially fused to hypurals 1-2; UN, uroneural. Scale bar = 1 mm.

Fig. 4 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 4. Right suspensorium and opercular series of Ituglanis agreste, UFRN 38, 41.8 mm SL. Lateral view.The arrow indicates the interopercle plate broad and elongate. Abbreviations: HYO, hyomandibula; IOP, interopercle; MPT, metapterygoid; OPE, opercle; POP, preopercle; QUA, quadrate. Scale bar = 1 mm.

Fig. 8 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 8. Pelvic girdle of Ituglanis agreste, paratype, UFRN 38, 41.8 mm SL. Dorsal view.Abbreviations:APS, anterior processes; AMP, anterior medium processes; BPT, basipterygium; PSP, pelvic splint; PVR, pelvic rays. Scale bar = 1 mm.

Fig. 7 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 7. Left Pectoral girdle of Ituglanis agreste, paratype, UFRN 38, 41.8 mm SL. Ventral view. Abbreviations: CLE, cleithrum; PTR, pectoral rays; PR1, proximal radial 1 (cartilaginous); PR2, proximal radial 2; SCO, scapulocoracoid. Scale bar = 1 mm.

Fig. 6 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 6. Branchial skeleton of Ituglanis agreste, paratype, UFRN 38, 41.8 mm SL. Dorsal view (left 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 4; HB1-3, hypobranchials 1 to 3; PB3-4, pharyngobranchials 3 to 4; TPL, tooth plate. Scale bar = 1 mm.

Fig. 5 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 5. Left hyoid arch of Ituglanis agreste, paratype, UFRN 38, 41.8 mm SL.Ventral view.Abbreviations:ACH, anterior ceratohyal; BRR, branchiostegal rays; PCH, posterior ceratohyal; PUH, parurohyal; VHH, ventral hypohyal. Scale bar = 1 mm.

Fig. 3 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 3. Left mandible of Ituglanis agreste, paratype, UFRN 38, 41.8 mm SL. Medial view. Abbreviations: AAR, anguloarticulo-retroarticular; CPR, coronoid process; DEN, dentary. Scale bar = 1 mm.

Fig. 2 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)

Fig. 2. Neurocranium and Weberian capsule of Ituglanis agreste, UFRN 38, 41.8 mm SL; a, dorsal view; b, ventral view. Abbreviations: AOR, antorbital; APA, autopalatine; BAO+EXO, basioccipital-exoccipital bone; EPO, epioccipital; FRO, frontal; FSO, parieto-supraoccipital fontanel; i1-i11, infraorbital pores; ll1-ll3, lateral line pores; LET, lateral ethmoid; MAX, maxilla; MET, mesethmoid; ORB, orbitosphenoid; PAS, parasphenoid; PMX, premaxilla; po1, preopercular pore; PSO, parietosupraoccipital; PSC, posttemporo-supracleithrum; PTE, pterotic; s1-s6, supraorbital pores; SPH+POT+PSF, sphenotic-prooticpterosphenoid; SSO, sesamoid supraorbital; VOM, vomer; WEB, Capsule of Weberian apparatus. Scale bar = 1 mm.

Fig. 5 in Parotocinclus seridoensis, a new hypoptopomatine catfish (Siluriformes: Loricariidae) from the upper rio Piranhas-Açu basin, northeastern Brazil

Fig. 5. Geographic distribution of Parotocinclus species in Mid-Northeastern Caatinga region and rio Parnaíba basin, northeastern Brazil. Open symbols represents type localities.

Fig. 3 in Parotocinclus seridoensis, a new hypoptopomatine catfish (Siluriformes: Loricariidae) from the upper rio Piranhas-Açu basin, northeastern Brazil

Fig. 3. Ventral view of abdominal region showing the lateral plates and preanal platelets in Parotocinclus seridoensis, UFRN 005, 37.0 mm SL, female. Abbreviations: LPS, lateral plate series; MPS, median plate series; PAR, preanal region.

Fig. 4 in Parotocinclus seridoensis, a new hypoptopomatine catfish (Siluriformes: Loricariidae) from the upper rio Piranhas-Açu basin, northeastern Brazil

Fig. 4. Ventral view of pectoral girdle of Parotocinclus seridoensis, UFRN 005, 30.7 mm SL, female. Abbreviations: AP, abdominal plates; AFO, arrector fossa opening; CL, cleithrum; CO, coracoid.

Fig. 7 in Parotocinclus seridoensis, a new hypoptopomatine catfish (Siluriformes: Loricariidae) from the upper rio Piranhas-Açu basin, northeastern Brazil

Fig. 7. Anterior view of rostrum of: a. Parotocinclus seridoensis, MZUSP 113424, 33.4 mm SL, showing an area deprived of odontodes (arrow) at the anterior border of the snout; b. Parotocinclus spilurus, UFPB 336, 29.6 mm SL, with anterior border of the snout covered by odontodes.

Fig. 6 in Parotocinclus seridoensis, a new hypoptopomatine catfish (Siluriformes: Loricariidae) from the upper rio Piranhas-Açu basin, northeastern Brazil

Fig. 6. Type locality of Parotocinclus seridoensis, Brazil, Rio Grande do Norte State, Caicó, rio Seridó, rio Piranhas-Açu basin.

Fig. 1 in Parotocinclus seridoensis, a new hypoptopomatine catfish (Siluriformes: Loricariidae) from the upper rio Piranhas-Açu basin, northeastern Brazil

Fig. 1. Parotocinclus seridoensis, holotype, MZUSP 113422, 37.7 mm SL, female, Brazil, Rio Grande do Norte State, Caicó Municipality, rio Seridó, rio Piranhas-Açu basin. Lateral, dorsal, and ventral views.

Fig. 2 in Parotocinclus seridoensis, a new hypoptopomatine catfish (Siluriformes: Loricariidae) from the upper rio Piranhas-Açu basin, northeastern Brazil

Fig. 2. Parotocinclus seridoensis, live paratype specimen, UFRN 240, 30.6 mm SL, from rio Seridó (type locality), Caicó, Rio Grande do Norte, just after collection.