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350 results for “Guiana Shield”
FIGURE 10 in A new genus of egg case-carrying water scavenger beetle from the Guiana Shield (Coleoptera: Hydrophilidae: Acidocerinae)
FIGURE 10. Habitat of Radicitus surinamensis. A) Suriname, Grensgebergte Mountains (collecting event SR12-0312-01A). B) Suriname, Mt. Kasikasima (collecting event SR12-0324-01C).
FIGURE 5. Curculionichthys karipuna, LBP 19017, 29.0 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 5. Curculionichthys karipuna, LBP 19017, 29.0 mm SL. A) Spinelet shape; B) Ventral view of abdominal plates; Neurocranium in C) dorsal and D) dorsolateral views. Abbreviations are: cpt = compound pterotic; f = frontal; io1-5 = infraorbitals; n = nasal; op = opercle; pr1-5 postrostral plates; pf = prefrontal; pn = prenasal; pop = preopercle; r = rostral plate; sp = sphenotic; cp1-2 = subocular cheek plate; soc = parieto-supraoccipital; spop = supraopercular plate. Scale bars: 0.5 mm (A); 1 mm (B, C, D).
FIGURE 6 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 6. Northern South America showing the distribution of Curculionichthys karipuna. Star = rio Cassiporé, type locality; circle = rio Jari, locality of non-type specimens.
FIGURE 1. Curculionichthys karipuna, MZUSP 120190 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 1. Curculionichthys karipuna, MZUSP 120190, holotype, female, 23.7 mm SL, Brazil, Amapá State, municipality of Oiapoque, rio Cassiporé, stream at road BR-156 at Campo Alegre farm.
FIGURE 3. A in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 3. A) Curculionichthys sabaji, MZUSP 117379, holotype, 23.3 mm SL, with dark-brown spots over the body; B) Curculionichthys paresi, MZUSP 115062, holotype, 26.2 mm SL, with contrasting dark spots at the anterodorsal region of body; C) Curculionichthys karipuna, MZUSP 120190, holotype, 23.7 mm SL, lacking the pigmentation patterns as described above. The arrows in the figure indicate the presence of a dark blotch of pigmentation covering the caudal peduncle that extends onto median caudal-fin rays.
FIGURE 3 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 3. Gynacantha dryadula sp. nov., male holotype from Manaus, Brazil: S10 with caudal appendages: a) right lateral view; b) dorsal view; c) left dorsolateral view.
FIGURE 5 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 5. Gynacantha dryadula sp. nov., from Brazil: larva (ultimate instar exuviae of holotype), dorsal view.
FIGURE 2 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 2. Gynacantha dryadula sp. nov., a-j: male holotype from Manaus, Brazil, h: paratype from Barcelos, Brazil: a) head and thorax; b) right pair of wings; c) left pair of wings, d) base of abdomen showing constriction at S3, ventral view; e) base of abdomen showing relative length of auricle, right lateral view; f) genital fossa, ventral view; g) anterior hamuli, ventral view; h) vesica spermalis, left lateral view.
FIGURE 1. a in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 1. a) Gynacantha dryadula sp. nov., male paratype from French Guiana, Kaw Mountain (photo Chris Rasmussen); b) Gynacantha dryadula sp. nov., female paratype from the upper Mavaca river, Venezuela (photo second author) (both without scale).
FIGURE 7 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 7. Gynacantha dryadula sp. nov. from Brazil, larva (ultimate instar exuviae of holotype): a) abdomen (dorsal view); b) same (left lateral view); c) tip of abdomen with caudal pyramid (ventral view); d) same (dorsal view); e) caudal pyramid showing cerci, large divergent apical spines of epiproct, and long paraproct; f) left wing cases; g) left prothoracic apophyses (dorsal view); h-j) left hind-, middle and fore leg, respectively.
FIGURE 6 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 6. Gynacantha dryadula sp. nov. from Brazil, larva (ultimate instar exuviae of holotype): a) head pattern (dorsal view); b) antenna; c) maxilla; d) mandibles (R = right mandible, L = left mandible); e) prementum (dorsal view); f) right anterior portion of prementum with labial palp (dorsal view).
FIGURE 4 in Gynacantha dryadula sp. nov. from the Guiana Shield (Odonata, Anisoptera: Aeshnidae)
FIGURE 4. Gynacantha dryadula sp. nov., female paratype from the upper Mavaca river, Venezuela: a) base of left Hw; b) sternum of S1 (ventral view); c) S2 (left lateral view); d) S3 (ventral view); e) S8–10 with ovipositor and ventral process of S10; f) fork of ventral process of S10 (posterior view).
FIGURE 8 in Glassfrogs (Anura: Centrolenidae) of Kaieteur National Park, Guyana, with notes on the distribution and taxonomy of some species of the family in the Guiana Shield
FIGURE 8. Distribution maps of (A) Centrolene gorzulai; (B) Cochranella helenae; and (C) Hyalinobatrachium taylori in Guyana. Red dot = Kaieteur National Park.
FIGURE 9 in Glassfrogs (Anura: Centrolenidae) of Kaieteur National Park, Guyana, with notes on the distribution and taxonomy of some species of the family in the Guiana Shield
FIGURE 9. Hand (left) and foot (right) of Cochranella helenae (IRSNB 13980) from Kaieteur National Park, Guyana. Scale bars = 2 mm. Photographs Philippe J. R. Kok.
FIGURE 10 in Glassfrogs (Anura: Centrolenidae) of Kaieteur National Park, Guyana, with notes on the distribution and taxonomy of some species of the family in the Guiana Shield
FIGURE 10. (A) Internal organs of Cochranella oyampiensis (MSH 2776, Tafelberg, Suriname) showing condition of peritonea: blue arrow indicates parietal peritoneum with anterior third white (posterior twothirds transparent), black arrow indicates only a few white pigments on the anterior part of the transparent hepatic peritoneum; (B) internal organs of Cochranella helenae (IRSNB 13980, Kaieteur National Park, Guyana) showing condition of peritonea: blue arrow indicates parietal peritoneum with anterior third white (posterior twothirds transparent), black arrow indicates hepatic peritoneum mostly covered with white pigments (a small portion of the posterior lobe is transparent). Photograph Philippe J. R. Kok.
FIGURE 4 in Glassfrogs (Anura: Centrolenidae) of Kaieteur National Park, Guyana, with notes on the distribution and taxonomy of some species of the family in the Guiana Shield
FIGURE 4. Gene tree representing Neighbor Joining phylogenetic relationships of some frogs of the family Centrolenidae from the Guiana Region inferred from a 850 bp of the 16S gene (mtDNA). Numbers indicate support for nodes (nonparametric bootstrap). Maximum Parsimony analysis of the same sequences retrieved a similar topology with same bootstrap values. Each specimen is followed by its collection number to clearly associate the individual with the corresponding sequence of Table 1; see Appendix for details about the localities. * Specimens from this locality were previously assigned to Cochranella oyampiensis.
FIGURE 7 in Glassfrogs (Anura: Centrolenidae) of Kaieteur National Park, Guyana, with notes on the distribution and taxonomy of some species of the family in the Guiana Shield
FIGURE 7. Left: Centrolene gorzulai, male from Auyantepui (MHNLS 17325). Right: habitat of C. gorzulai near the type locality (Auyantepui: Campamento Oso, top of Auyantepui, 1700 m elevation). Photographs Santiago CastroviejoFisher.
FIGURE 5 in Glassfrogs (Anura: Centrolenidae) of Kaieteur National Park, Guyana, with notes on the distribution and taxonomy of some species of the family in the Guiana Shield
FIGURE 5. Dorsolateral (left) and ventral (right) views of the Glassfrogs of Kaieteur National Park in life. (A, B) Centrolene gorzulai (IRSNB 13977); (C, D) Cochranella helenae (IRSNB 13980); and (E, F) Hyalinobatrachium taylori (IRSNB 13982). Black arrows indicate enlarged tubercles below vent. Photographs Philippe J. R. Kok.
FIGURE 12. Vegetation along a in Glassfrogs (Anura: Centrolenidae) of Kaieteur National Park, Guyana, with notes on the distribution and taxonomy of some species of the family in the Guiana Shield
FIGURE 12. Vegetation along a small cascading stream in open situation, occasional habitat of Cochranella helenae in Kaieteur National Park, Guyana. Photograph Philippe J. R. Kok.
FIGURE 3 in Glassfrogs (Anura: Centrolenidae) of Kaieteur National Park, Guyana, with notes on the distribution and taxonomy of some species of the family in the Guiana Shield
FIGURE 3. Audiospectrograms and oscillograms (top and down respectively) of the advertisement calls of (A) Cochranella midas from Ecuador (Read 2000), T° unknown; (B) Cochranella midas from French Guiana (Marty & Gaucher 1999), T° unknown; (C) Hyalinobatrachium mondolfii from Venezuela, MHNLS 17120, T° 23°C; (D) Hyalinobatrachium sp. from Guyana, specimen not collected, T° 26°C.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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