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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 8 - Anterior view of the holotype of Gopherus evgoodei, AMNH R64160....
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 5. Phrynocephalus euptilopus, Pakistan, AMNH 7227 syntype. Photographer unknown....
Figure 10 - Left lateral view of the holotype of Gopherus evgoodei, AMNH R64160....
FIGURE 1. Ventral (left panel) and dorsal (right panel) view of variation in the male plumage of all...
Figure 12 - Detail of head scales of the holotype of Gopherus evgoodei, AMNH R64160...
FIGURE 4. Clinal pattern of color variation (especially on yellowish / grayish tones) observed in Br...
Figure 13 - Rhinella alata from Panama showing variation in dorsal and ventral coloration of preserv...
Figure 13 - Detail of the tail of the holotype of Gopherus evgoodei, AMNH R64160....
Figure 11 - Right lateral view of the holotype of Gopherus evgoodei, AMNH R64160....
FIG. 29. Heteroctenus Pocock, 1893, metasoma and telson, ventral 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. 30. Heteroctenus Pocock, 1893, metasoma and telson, lateral aspect. A. H. abudi (Armas and Marc...
FIG. 22. Rhopalurusinae Bücherl, 1971, telson, ventral aspect. A. Heteroctenus abudi (Armas and Mar...
FIG. 35. Heteroctenus princeps (Karsch, 1879), comb. nov., habitus, dorsal (A, C) and ventral (B, D)...
FIG. 60. Rhopalurus ochoai, sp. nov., habitus, dorsal (A, C) and ventral (B, D) aspects. A, B. Holot...
Figure 4 - Cratotabanus newjerseyensis Grimaldi, sp. n. (Tabanidae) in Turonian amber from New Jerse...
FIG. 31. Heteroctenus abudi (Armas and Marcano Fondeur, 1987), comb. nov., habitus, dorsal (A, C) an...
FIG. 28. Heteroctenus Pocock, 1893, metasoma and telson, dorsal aspect. A. H. abudi (Armas and Marca...
FIG. 59. Rhopalurus laticauda Thorell, 1876, Puerto Colombia, Venezuela, habitus, dorsal (A, C) and ...
FIGURE 5. Ventral, lateral and dorsal view on the plumage similarity between Pipraeidea melanonota (...
FIG. 34. Heteroctenus junceus (Herbst, 1800), habitus, dorsal (A, C) and ventral (B, D) aspects. A, ...
FIG. 25. Heteroctenus Pocock, 1893, pedipalp chela, retrolateral aspect. A. H. abudi (Armas and Marc...
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...
Figures 196-198 - Avicularia merianae sp. n., spermathecae varia...
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 8 - Left: Ventral view of typical specimens of the Central American morphotypes 2 (AMNH 10326...
FIGURE 3. Secutor mazavasaoka, new species, holotype, AMNH 251200, 77.4 mm SL, Madagascar....
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,...
FIGURE 7. Radiograph of Ptychochromis mainty, AMNH 241978, paratype, showing gastropod shells in the...
FIGURE 5. The Palau Bockadam, Cerberus dunsoni AMNH 116020. Note the rounded scales and the parietal...
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 3. Ptychochromoides itasy, paratype, AMNH 233643, immature male, 106.3 mm SL; Madagascar....
FIGURE 14. Dendrophidion clarkii, the southernmost record from southwestern Ecuador (AMNH 22096, 269...
FIG. 16. Rhopalurusinae Bücherl, 1971, carapace, dorsal aspect. A. Physoctonus debilis (C. L. Koch,...
Figure 7 - Ventral view of the holotype of Gopherus evgoodei, AMNH R64160. Scale ba...
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. 54. Rhopalurus Thorell, 1876, metasoma and telson, dorsal aspect. A. R. caribensis Teruel and R...
FIG. 20. Rhopalurusinae Bücherl, 1971, sternum, pectines and sternite III, ventral aspect. A. Physo...
FIGURE 13. Illustration of paratype of Heliotrygon rosai, n. sp., in dorsal view (based on AMNH 2518...
FIG. 27. Heteroctenus Pocock, 1893, pedipalp chela, retrolateral aspect. A. H. junceus (Herbst, 1800...
FIG. 55. Rhopalurus Thorell, 1876, metasoma and telson, ventral aspect. A. R. caribensis Teruel and ...
FIGURE 2. AMNH 21322, paralectotype jaw of Brachycrus laticeps mooki, lateral view....
FIGURE 8. Sensory papillae and head canal pores of Gobiosoma alfiei, AMNH 258024....
Figure 14 - Ventral surface of the right rear foot of the holotype of Gopherus evgo...
FIG. 18. Rhopalurusinae Bücherl, 1971, sternum, pectines and sternite III, ventral aspect. A. Heter...
FIGURE 28. Everted hemipenis of Dendrophidion clarkii in sulcate and asulcate views (AMNH 109719, Ca...
FIG. 52. Rhopalurus Thorell, 1876, pedipalp chela, retrolateral aspect. A. R. caribensis Teruel and ...
Plate 49. Digital female genitialic images of Myoporophylus grossi. A. Bursa copulatrix, dorsal view...
Figure 6 - Burmacyrtus rusmithi Grimaldi & Hauser, gen. et sp. n. (Acroceridae) in Burmese amber...
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...
FIGURES 9 – 12. Habitus, dorsal view. 9 – 10 Uaiuara ope sp. nov. (9 male, holotype IBSP 137209,...
Plate 50. Digital female genitialic images of Myrtophylus calytrix. A. Bursa copulatrix, dorsal view...
Plate 41. Digital female genitialic images of Asterophylus spp. A, B. Bursa copulatrix, dorsal view....
Plate 55. Digital female genitialic images of Telophylus eremophilae. A. Bursa copulatrix, dorsal vi...
Fig 12. The lateral view of worker of B. granosa (AMNH). Fig 13. The head of worker of B. granosa (A...
FIGURE 10. Geographic distribution of Heliotrygon gomesi, n. sp. Star depicts approximate locality o...
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....
FIGURE 34. Specimens of Squalus blainvillei: (A) AMNH 1863; (B) UF 44560; (C) UF 213389. Scale bar: ...
FIGURE 10. Ventral patterns in adult Dendrophidion clarkii. A, USNM 150138 (Panama). B, AMNH 109718 ...
FIGURE 28. Sicarius tropicus (Mello-Leitão) (male from Cabaceiras, Paraíba, AMNH), right palpal bu...
FIG. 21. Rhopalurusinae Bücherl, 1971, telson, lateral aspect. A. Heteroctenus abudi (Armas and Mar...
FIGURE 4. General color pattern of body of the Micrurus albicinctus (A—MPEG 18133), M. annellatus ...
FIGURE 1. Preserved and freshly collected specimens of Didogobius helenae spec. nov. (A) preserved h...
Plate 47. Digital female genitialic images of Halophylus spp. A. Bursa copulatrix, dorsal view. B. B...
FIGURE 1. Epidermal fold of Amphilius species. A: Crenelations rounded (Amphilius lujani, UF 184238)...
FIGURE 11. Dendrophidion clarkii juveniles. A, LACM 148554 (southwestern Costa Rica, 411 mm SVL). B,...
FIG. 53. Rhopalurus Thorell, 1876, pedipalp chela, retrolateral aspect. A. R. caribensis Teruel and ...
Figure 284 - Antillena rickwesti (Bertani & Huff, 2013) comb...
FIGURE 4. External and internal views of the valves of four species of Acesta from the South and Wes...
FIGURES 13 – 14. Pandava laminata ♂ (Kenya, AMNH). 13. Right leg I, dorsal view; 14. Ditto, prol...
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...
Plate 52. Digital female genitialic images of Proteophylus spp. A, B. Bursa copulatrix, dorsal view....
Figure 8 - Kumaromyia burmitica Grimaldi & Hauser, gen. et sp. n. (Therevoid family group: ?Apsi...
FIGURE 3. Growth series of Isognomon spathulatus. Specimens from the same population; AMNH 319254; 3...
Figure 50 - Tayshaneta vidrio sp. n., 400 foot Cave, Brewster County, Texas (AMNH), male right palp....
FIG. 11. Rhopalurusinae Bücherl, 1971, dextral pecten, ventral aspect (A, C, E, G) and pectinal tee...
FIGURE 8. Psechrus arietinus sp. nov., male paratype SB 1186, AMNH, from Tra My, Quang Nam Prov., Vi...
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 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 5. Megaraphidia elegans Cockerell, 1907, holotype. A, part UCM 8602. B, counterpart AMNH 3586...
FIGURES 10 – 11. Leptotarsus grimaldii, sp. nov., from Santana Formation, Early Cretaceous, Brazil...