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Figure 11 - Acuclavella quattuor. Male AMNH....
FIGURE 4. Distinct plumages of Agelasticus c. cyanopus. Left row, from left to right, males in defin...
FIGURE 1. Neotype of Diomedea exulans Linnaeus, AMNH 526787, lateral view. Image: C. Chesek, AMNH....
FIGURE 5. Variation in supraneural morphology for (A) Ptychochromis ernestmagnusi (AMNH 249489, para...
FIGURE 2. Details of the plumage color pattern of Pipraeidea melanonota and " Thraupis " bonariensis...
Figure 9 - Posterior view of the holotype of Gopherus evgoodei, AMNH R64160....
Figure 12 - Detail of head scales of the holotype of Gopherus evgoodei, AMNH R64160...
FIGURE 5. Phrynocephalus euptilopus, Pakistan, AMNH 7227 syntype. Photographer unknown....
Figure 8 - Anterior view of the holotype of Gopherus evgoodei, AMNH R64160....
Figure 13 - Detail of the tail of the holotype of Gopherus evgoodei, AMNH R64160....
Figure 10 - Left lateral view of the holotype of Gopherus evgoodei, AMNH R64160....
Figure 11 - Right lateral view of the holotype of Gopherus evgoodei, AMNH R64160....
FIGURE 4. Clinal pattern of color variation (especially on yellowish / grayish tones) observed in Br...
FIGURE 1. Ventral (left panel) and dorsal (right panel) view of variation in the male plumage of all...
Figure 13 - Rhinella alata from Panama showing variation in dorsal and ventral coloration of preserv...
FIG. 22. Rhopalurusinae Bücherl, 1971, telson, ventral aspect. A. Heteroctenus abudi (Armas and Mar...
FIG. 29. Heteroctenus Pocock, 1893, metasoma and telson, ventral aspect. A. H. abudi (Armas and Marc...
FIG. 30. Heteroctenus Pocock, 1893, metasoma and telson, lateral aspect. A. H. abudi (Armas and Marc...
FIGURE 3. Color variation in the Long-tailed Reed Finch Donacospiza albifrons due to age and feather...
FIG. 14. Rhopalurusinae Bücherl, 1971, carapace, dorsal aspect. A. Heteroctenus abudi (Armas and Ma...
FIG. 28. Heteroctenus Pocock, 1893, metasoma and telson, dorsal aspect. A. H. abudi (Armas and Marca...
Figures 196-198 - Avicularia merianae sp. n., spermathecae varia...
FIG. 25. Heteroctenus Pocock, 1893, pedipalp chela, retrolateral aspect. A. H. abudi (Armas and Marc...
FIGURE 7. Chromatic variation exhibited by females of Tachyphonus cristatus madeirae collected in th...
FIG. 26. Heteroctenus Pocock, 1893, pedipalp chela, retrolateral aspect. A. H. abudi (Armas and Marc...
FIGURE 5. Ventral, lateral and dorsal view on the plumage similarity between Pipraeidea melanonota (...
FIG. 31. Heteroctenus abudi (Armas and Marcano Fondeur, 1987), comb. nov., habitus, dorsal (A, C) an...
FIG. 34. Heteroctenus junceus (Herbst, 1800), habitus, dorsal (A, C) and ventral (B, D) aspects. A, ...
FIG. 47. Jaguajir rochae (Borelli, 1910), comb. nov., habitus, dorsal (A, C) and ventral (B, D) aspe...
FIGURE 2. Parapercis maramara, new species, Masoala Peninsula, northeastern Madagascar. A. Holotype,...
FIG. 35. Heteroctenus princeps (Karsch, 1879), comb. nov., habitus, dorsal (A, C) and ventral (B, D)...
FIG. 32. Heteroctenus bonettii (Armas, 1999), comb. nov., habitus, dorsal (A, C) and ventral (B, D) ...
Plate I Albertosaunis libialiis, AMNH 5664. The femur is 700 mm long (Matthew and Brown 1923: 10). P...
FIG. 58. Rhopalurus laticauda Thorell, 1876, Laguna Canaima, Venezuela, habitus, dorsal (A, C) and v...
Figure 4 - Cratotabanus newjerseyensis Grimaldi, sp. n. (Tabanidae) in Turonian amber from New Jerse...
FIG. 60. Rhopalurus ochoai, sp. nov., habitus, dorsal (A, C) and ventral (B, D) aspects. A, B. Holot...
Figure 8 - Left: Ventral view of typical specimens of the Central American morphotypes 2 (AMNH 10326...
FIG. 59. Rhopalurus laticauda Thorell, 1876, Puerto Colombia, Venezuela, habitus, dorsal (A, C) and ...
FIGURE 5. The Palau Bockadam, Cerberus dunsoni AMNH 116020. Note the rounded scales and the parietal...
FIGURE 8. Sensory papillae and head canal pores of Gobiosoma alfiei, AMNH 258024....
Figure 9 - Hilarimorphites burmanica Grimaldi & Cumming, sp. n. (Apystomyiiidae) in Burmese ambe...
Figure 6 - Dorsal view of the holotype of Gopherus evgoodei, AMNH R64160. Scale bar 50 ...
Figure 14 - Ventral surface of the right rear foot of the holotype of Gopherus evgo...
FIGURE 28. Everted hemipenis of Dendrophidion clarkii in sulcate and asulcate views (AMNH 109719, Ca...
FIGURE 14. Dendrophidion clarkii, the southernmost record from southwestern Ecuador (AMNH 22096, 269...
FIGURE 3. Secutor mazavasaoka, new species, holotype, AMNH 251200, 77.4 mm SL, Madagascar....
Figure 7 - Ventral view of the holotype of Gopherus evgoodei, AMNH R64160. Scale ba...
FIGURE 13. Illustration of paratype of Heliotrygon rosai, n. sp., in dorsal view (based on AMNH 2518...
FIGURE 7. Radiograph of Ptychochromis mainty, AMNH 241978, paratype, showing gastropod shells in the...
FIG. 27. Heteroctenus Pocock, 1893, pedipalp chela, retrolateral aspect. A. H. junceus (Herbst, 1800...
FIG. 56. Rhopalurus Thorell, 1876, metasoma and telson, lateral aspect. A. R. caribensis Teruel and ...
FIGURE 3. Illustration of paratype of Heliotrygon gomesi, n. sp., in dorsal view (based on AMNH 1049...
FIGURE 7. Illustration of Heliotrygon gomesi, n. sp., in dorsal view (based on AMNH 58402; see Figur...
FIG. 20. Rhopalurusinae Bücherl, 1971, sternum, pectines and sternite III, ventral aspect. A. Physo...
FIG. 54. Rhopalurus Thorell, 1876, metasoma and telson, dorsal aspect. A. R. caribensis Teruel and R...
FIGURE 3. Ptychochromoides itasy, paratype, AMNH 233643, immature male, 106.3 mm SL; Madagascar....
FIG. 16. Rhopalurusinae Bücherl, 1971, carapace, dorsal aspect. A. Physoctonus debilis (C. L. Koch,...
FIG. 55. Rhopalurus Thorell, 1876, metasoma and telson, ventral aspect. A. R. caribensis Teruel and ...
FIG. 52. Rhopalurus Thorell, 1876, pedipalp chela, retrolateral aspect. A. R. caribensis Teruel and ...
FIGURE 2. AMNH 21322, paralectotype jaw of Brachycrus laticeps mooki, lateral view....
FIG. 18. Rhopalurusinae Bücherl, 1971, sternum, pectines and sternite III, ventral aspect. A. Heter...
Plate 49. Digital female genitialic images of Myoporophylus grossi. A. Bursa copulatrix, dorsal view...
Plate 55. Digital female genitialic images of Telophylus eremophilae. A. Bursa copulatrix, dorsal vi...
FIGURE 4. General color pattern of body of the Micrurus albicinctus (A—MPEG 18133), M. annellatus ...
FIGURE 10. (A) JVT- 01 - 105, Gobiosoma spilotum, an adult breeding male photographed shortly after ...
FIGURE 4. Ventral view of upper pharyngeal jaw (UPJ) in (A) Ptychochromis mainty (AMNH 241979, parat...
FIGURE 1. Preserved and freshly collected specimens of Didogobius helenae spec. nov. (A) preserved h...
Fig 12. The lateral view of worker of B. granosa (AMNH). Fig 13. The head of worker of B. granosa (A...
FIGURE 34. Specimens of Squalus blainvillei: (A) AMNH 1863; (B) UF 44560; (C) UF 213389. Scale bar: ...
FIGURE 1. Epidermal fold of Amphilius species. A: Crenelations rounded (Amphilius lujani, UF 184238)...
Plate 41. Digital female genitialic images of Asterophylus spp. A, B. Bursa copulatrix, dorsal view....
FIGURE 10. Geographic distribution of Heliotrygon gomesi, n. sp. Star depicts approximate locality o...
Figure 284 - Antillena rickwesti (Bertani & Huff, 2013) comb...
FIGURE 11. Dendrophidion clarkii juveniles. A, LACM 148554 (southwestern Costa Rica, 411 mm SVL). B,...
FIGURES 9 – 12. Habitus, dorsal view. 9 – 10 Uaiuara ope sp. nov. (9 male, holotype IBSP 137209,...
FIG. 21. Rhopalurusinae Bücherl, 1971, telson, lateral aspect. A. Heteroctenus abudi (Armas and Mar...
Plate 50. Digital female genitialic images of Myrtophylus calytrix. A. Bursa copulatrix, dorsal view...
FIGURE 28. Sicarius tropicus (Mello-Leitão) (male from Cabaceiras, Paraíba, AMNH), right palpal bu...
Figure 6 - Burmacyrtus rusmithi Grimaldi & Hauser, gen. et sp. n. (Acroceridae) in Burmese amber...
Plate 45. Digital female genitialic images of Grandivesica spp. A. Bursa copulatrix, dorsal view. B....
FIGURES 1 – 4. Wing venation of Leptotarsus spp. from Santana Formation, Early Cretaceous, Brazil....
Plate 47. Digital female genitialic images of Halophylus spp. A. Bursa copulatrix, dorsal view. B. B...
FIGURE 10. Ventral patterns in adult Dendrophidion clarkii. A, USNM 150138 (Panama). B, AMNH 109718 ...
FIG. 53. Rhopalurus Thorell, 1876, pedipalp chela, retrolateral aspect. A. R. caribensis Teruel and ...
FIGURE 4. External and internal views of the valves of four species of Acesta from the South and Wes...
Plate 52. Digital female genitialic images of Proteophylus spp. A, B. Bursa copulatrix, dorsal view....
FIGURE 11. Geophagus winemilleri. AMNH 233638, adult paratype immediately after capture at comunidad...
FIGURE 7. Variations found in the back color of the gray-backed group (A. polionotus). A) Adult spec...
FIGURE 1. Dorsal (A) and lateral views (B) of the head and dorsal (C) and ventral views (D) of the b...
Figure 18 - Zalmoxidae, Soledadiella roraima (Goodnight & Goodnight, 1943), female holo...
FIGURE 6. Specimen of Heliotrygon gomesi, n. sp., probably from Ecuador, in dorsal (A) and ventral (...
FIGURE 5. Aysenia segestrioides Ramírez (AMNH). a female dorsal habitus; b epigyne, ventral view; c...
FIGURE 4. Overall dorsal view of species of Chasmocarcinus. A, C. latipes, Mexico: holotype female 1...
FIGURE 6. Dorsal, ventral and lateral views of the skull, and lateral view of the mandible of the sp...
FIGURES 13 – 14. Pandava laminata ♂ (Kenya, AMNH). 13. Right leg I, dorsal view; 14. Ditto, prol...
Figure 39 - Tayshaneta emeraldae sp. n., Emerald Sink, Val Verde County, Texas (AMNH), male right pa...
Figure 2 - Photomicrograph of holotype nymph of Tytthodiplatys mecynocercus gen. et sp. n. (AMNH Bu-...
Figure 19 - Zalmoxidae, Soledadiella roraima (Goodnight & Goodnight, 1943), female holo...
FIGURES 10 – 11. Leptotarsus grimaldii, sp. nov., from Santana Formation, Early Cretaceous, Brazil...
Figure 6 - Liturgusa guyanensis La Greca, 1939, dorsal habitus: A neotype male from Iwokrama, Guyana...