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Fig. 9 in New species of miniature fish from Marajó Island, Pará, Brazil, with comments on its relationships (Characiformes: Characidae)

Fig. 9. Lateral view of left pelvic bone of male (a) and anterior portion of pelvic-fin rays of female (b) of Tyttobrycon marajoara, paratype, MZUSP 106110.

Fig. 4 in New species of miniature fish from Marajó Island, Pará, Brazil, with comments on its relationships (Characiformes: Characidae)

Fig. 4. External view of muscle covering the anterior portion of the swim bladder of Tyttobrycon marajoara, paratype, MZUSP 106110, 19.6 mm SL, mature female. Skin and adipose tissue removed, left side. 5plr = fifth pleural rib; 6plr = sixth pleural rib; ls = lateralis superficialis; os = obliquus superioris.

Fig. 6 in New species of miniature fish from Marajó Island, Pará, Brazil, with comments on its relationships (Characiformes: Characidae)

Fig. 6. Bony hooks on pelvic fin of a male of Tyttobrycon marajoara, paratype, MZUSP 106110, 18.9 mm SL. Ventral view, left side.

Fig. 7 in New species of miniature fish from Marajó Island, Pará, Brazil, with comments on its relationships (Characiformes: Characidae)

Fig. 7. First anal-fin rays of a male of Tyttobrycon marajoara, paratype, MZUSP 106110, 18.9 mm SL, with bony hooks. Lateral view, left side.

Fig. 1 in New species of miniature fish from Marajó Island, Pará, Brazil, with comments on its relationships (Characiformes: Characidae)

Fig. 1. Tyttobrycon marajoara: (a) Holotype, MZUSP 109196, 17.9 mm SL, mature male, igarapé Olho d'água, Vila União, Salvaterra, Pará, Brazil; (b) Paratype, MZUSP 108820, 20.9 mm SL, mature female, collected with holotype.

Fig. 2 in New species of miniature fish from Marajó Island, Pará, Brazil, with comments on its relationships (Characiformes: Characidae)

Fig. 2. Tyttobrycon marajoara alive. Female above, male below, collected with paratypes in a small stream (igarapé) at balneário Olho no Olho, Marajó Island, Pará State, Brazil. Not preserved.

Fig. 3 in New species of miniature fish from Marajó Island, Pará, Brazil, with comments on its relationships (Characiformes: Characidae)

Fig. 3. Jaws of Tyttobrycon marajoara, paratype, MZUSP 106110, 20.5 mm SL. Scale bar = 1 mm, left side.

Fig. 3 in Miniature catfishes of the genus Gelanoglanis (Siluriformes: Auchenipteridae): monophyly and the description of a new species from the upper rio Tapajós basin, Brazil

Fig. 3. Map of southeastern Amazon basin showing location of type locality of Gelanoglanis pan, 1 = rio Tapajós, 2 = rio Teles Pires, 3 = rio Juruena.

Fig. 2 in Miniature catfishes of the genus Gelanoglanis (Siluriformes: Auchenipteridae): monophyly and the description of a new species from the upper rio Tapajós basin, Brazil

Fig. 2. Gonopodium and osteology of the anal fin of an adult male of Gelanoglanis pan, holotype, 24.7 mm SL, MZUSP 114669, showing fusion of the proximal radials. DR = distal radials, G = gonopodium, PR = fused proximal radials, i-iii= anterior unbranched and unsegmented anal-fin rays. Scale bar = 1 mm.

Fig. 1. Gelanoglanis pan, MZUSP 114669 in Miniature catfishes of the genus Gelanoglanis (Siluriformes: Auchenipteridae): monophyly and the description of a new species from the upper rio Tapajós basin, Brazil

Fig. 1. Gelanoglanis pan, MZUSP 114669, holotype, male, 24.7 mm SL; Brazil, Mato Grosso State, Itaúba, rio Teles Pires, tributary to upper rio Tapajós basin; lateral views. Scale bar = 0.5 cm.

Fig. 4 in Miniature catfishes of the genus Gelanoglanis (Siluriformes: Auchenipteridae): monophyly and the description of a new species from the upper rio Tapajós basin, Brazil

Fig. 4. Lateral view of the mandibular arch of Gelanoglanis pan, MZUSP 96032, paratype, 20.2 mm SL. AA = anguloarticular, D = dentary, PM = premaxilla, LC = subdivided autogenous laterosensory canal. Scale bar = 0.5 mm.

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Fig. 4 in Two new late Pleistocene miniature owls from Rancho La Brea, California

Fig. 4. Stereopairs of specimens from late Pleistocene, Rancho La Brea, California, USA referred to miniature owls Asphaltoglaux cecileae sp. nov. (A, C, D) and Glaucidium kurochkini sp. nov. (B). A. Left humerus (RLB K9441) in anterior (A1) and posterior (A2) views. B. Right carpometacarpus (RLB K9404) in dorsal (B1) and ventral (B2) views. C. Right femur (RLB K9349) in anterior (C1) and posterior (C2) views. D. Right coracoid (RLB E9533) in ventral (D1) and dorsal (D2) views. See Fig. 3 for additional labeled osteological features. Abbreviations: artic., articularis; Fac., Facies.

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Fig. 5 in Two new late Pleistocene miniature owls from Rancho La Brea, California

Fig. 5. Scatter plots illustrating the disproportionately large size of the Crista medialis hypotarsi of Asphaltoglaux cecileae sp. nov. A. Length versus width of Fac. plantaris of Crista medialis hypotarsi. B. Width of Crista medialis hypotarsi stem versus tarsometatarsus total length. All measurements in mm.

Fig. 6 in A new miniature of Xenurobryconini (Characiformes: Characidae) from the rio Tapajós basin, Brazil

Fig. 6. ANCOVA plot showing the difference between pelvic-fin length of mature males and females of Xenurobrycon varii.

Fig. 7 in A new miniature of Xenurobryconini (Characiformes: Characidae) from the rio Tapajós basin, Brazil

Fig. 7. ANCOVA plot showing relation between snout to pelvic-fin length and SL of mature males and females of Xerunobrycon varii.

Fig. 8 in A new miniature of Xenurobryconini (Characiformes: Characidae) from the rio Tapajós basin, Brazil

Fig. 8. Map of portion of rio Tapajós basin, and adjoining areas, showing collecting sites (dark circles) and the type locality (white circle) of Xenurobrycon varii.

Fig. 4 in A new miniature of Xenurobryconini (Characiformes: Characidae) from the rio Tapajós basin, Brazil

Fig. 4. Xenurobrycon varii, anal-fin rays: (a) left side, MPEG 26591, male, 15.0 mm SL, with bilateral, antrorse hooks; (b) right side (inverted), MPEG 26592, male, 13.5 mm SL, with well-developed lamellar process on pterygiophores. Scale bars = 1 mm and 0.25 mm respectively.

Fig. 3. Xenurobrycon varii, MPEG 26591 in A new miniature of Xenurobryconini (Characiformes: Characidae) from the rio Tapajós basin, Brazil

Fig. 3. Xenurobrycon varii, MPEG 26591, male, 15.0 mm SL, left side of caudal-fin rays (pouch-scale removed): (a) bilateral, antrorse hooks, usually one pair per lepidotrichium segment (rectangle indicates magnified area represented in b); (b) set of lamellar processes on eighth principal caudal-fin ray of lower lobe, dashed lines represent the delimitation of left elements of paired ventral processes and dorsal unpaired process along ray segments 3 to 5 and 4 to 5, respectively. Scale bars = 1 mm and 0.25 mm respectively.

Fig. 1 in A new miniature of Xenurobryconini (Characiformes: Characidae) from the rio Tapajós basin, Brazil

Fig. 1. Xenurobrycon varii, new species, Brazil, Pará, Jacareacanga, Vila de Mamãe Anã, tributary of rio Tapajós. (a) MPEG 32825 holotype, male, 14.2 mm SL; (b) MPEG 26592, paratype, female, 13.2 mm SL.

Fig. 5. Xenurobrycon varii, MPEG 25239, 13.4 in A new miniature of Xenurobryconini (Characiformes: Characidae) from the rio Tapajós basin, Brazil

Fig. 5. Xenurobrycon varii, MPEG 25239, 13.4 mm SL, left side of maxilla and premaxilla and right side (inverted) of dentary, Scale bars = 0.2 mm.