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135 results for “Podocnemididae”
Fig. 1 in Avaliação da influência de fatores hidroclimáticos sobre a estrutura populacional de Podocnemis expansa (Testudines: Podocnemididae) no Rio Formoso, sudeste da Amazônia brasileira
Fig. 1. LocalizaÇÃo da área de estudo no Rio Formoso, municÍpio de Lagoa da ConfusÃo, Tocantins, Brasil. Hidrografia representada em azul; limites do municÍpio da Lagoa da ConfusÃo/TO em vermelho; APA, Área de ProteÇÃo Ambiental; UC, Unidade de ConservaÇÃo.
Fig. 2 in Acanthoatractis xinguensis n. gen., n. sp. (Nematoda: Cosmocercoidea: Atractidae) parasite of yellow-spotted Amazon river turtle, Podocnemis unifilis Troschel (Testudines: Podocnemididae) in Brazilian Amazon
Fig. 2. Line drawings of Acanthoatractis xinguensis n. gen., n. sp. (Female) (A) Posterior extremity of body, region of vulva and anus, lateral view. (B) Reproductive tract showing monodelphic uterus, lateral view.
Fig. 1 in Acanthoatractis xinguensis n. gen., n. sp. (Nematoda: Cosmocercoidea: Atractidae) parasite of yellow-spotted Amazon river turtle, Podocnemis unifilis Troschel (Testudines: Podocnemididae) in Brazilian Amazon
Fig. 1. Line drawings of Acanthoatractis xinguensis n. gen., n. sp. (Male) (A) Cephalic extremity, apical view. (B) Cephalic extremity, apical view, highlighting the oral opening surrounded by sclerotized pieces and the distribution of open end wrench-shaped sclerotized structures. (C) Anterior extremity of body, ventral view. (D) Whole body, lateral view. (E) Details of spicules. (F) Posterior extremity of body, ventral view.
Fig. 3 in Acanthoatractis xinguensis n. gen., n. sp. (Nematoda: Cosmocercoidea: Atractidae) parasite of yellow-spotted Amazon river turtle, Podocnemis unifilis Troschel (Testudines: Podocnemididae) in Brazilian Amazon
Fig. 3. Scanning electron micrographs of Acanthoatractis xinguensis n. gen., n. sp. (A) Male, cephalic extremity, subapical view. (B) Anterior extremity of body, ventrolateral view. Inset: Detail of deirid, lateral view (Scale-bar: 10 μm); Detail of excretory pore, ventral view (Scale-bar: 10 μm). (C) Posterior extremity of male, ventrolateral, distribution of caudal papillae (arrowheads). Detail of phasmid, ventrolateral view (Scale-bar: 5 μm); Postcloacal papillae, ventrolateral view (Scalebar: 10 μm). (D) Posterior extremity of female, ventrolateral view, lines indicate vulva and anus. Abbreviations: Amphid, Am; anus, An; deirid, De; excretory pore, Ep; single median papilla, Sm; vulva, Vu.
Fig. 1 in A new species of Orientatractis (Nematoda: Cosmocercoidea: Atractidae) parasite of Yellow-Spotted Amazon River Turtle, Podocnemis unifilis Troschel, 1848 (Testudines: Podocnemididae) in Brazilian Amazon
Fig. 1. Line drawings of Orientatractis matosi n. sp. (A) Female, whole body, ventral view. (B) Female, cephalic extremity, apical view (C) Posterior end of female, lateral view. (D) Male, whole body, lateral view. (E) Anterior extremity of body, ventrolateral view. (F) Details of spicules and gubernaculum. (G) Male, posterior end, ventral view.
Fig. 2 in A new species of Orientatractis (Nematoda: Cosmocercoidea: Atractidae) parasite of Yellow-Spotted Amazon River Turtle, Podocnemis unifilis Troschel, 1848 (Testudines: Podocnemididae) in Brazilian Amazon
Fig. 2. Scanning electron micrographs of Orientatractis matosi n. sp. (A) Cephalic extremity, apical view (amphidial pores, arrowheads). (B) Anterior extremity of body, lateral view, lines indicate deirid and excretory pore. (C) Posterior extremity of female, ventrolateral view, lines indicate vulva and anus. (D) Posterior extremity of male, ventrolateral, distribution of caudal papillae (arrows) and phasmids (arrowheads). Abbreviations: anus, An; deirid, De; excretory pore, Ep; vulva, Vu; single large submedian spine, a; submedian pointed spines, b. Inset: Cephalic end details, ventrolateral view (Scale-bar: 5 μm), Detail of excretory pore (Scale-bar: 5 μm).
FIGURE 9 in The Erymnochelys group of turtles (Pleurodira, Podocnemididae) in the Eocene of Europe: New taxa and paleobiogeographical implications
FIGURE 9. Reconstruction of the dorsal and ventral views of the shells of the three Podocnemididae species studied here, Eocenochelus lacombianus sp. nov. (1–2), Eocenochelus eremberti comb. nov. (3–4), and Eocenochelus farresi sp. nov. (5–6), compared to those of the extant Malagasy Erymnochelys madagascariensis (7–8), and the European Eocene Neochelys liriae (9–10).
FIGURE 8 in The Erymnochelys group of turtles (Pleurodira, Podocnemididae) in the Eocene of Europe: New taxa and paleobiogeographical implications
FIGURE 8. Shell of the holotype of Eocenochelus farresi sp. nov., MGSB 74.641-GLV.T.45, from the upper Eocene (Priabonian) of Can Beuloví (Sobremunt, Barcelona, Spain), in dorsal (1–2) and ventral (3–4) views. Abbreviations: AB, abdominal scute; AN, anal scute; c, costal; en, entoplastron; ep, epiplastron; FE, femoral scute; GU, gular scute; hp, hypoplastron; HU, humeral scute; hy, hyoplastron; IG, intergular scute; M, marginal scute; ms, mesoplastron; n, neural; p, peripheral; PC, pectoral scute; PL, pleural scute; py, pygal; V, vertebral scute; xi, xiphiplastron.
FIGURE 4 in The Erymnochelys group of turtles (Pleurodira, Podocnemididae) in the Eocene of Europe: New taxa and paleobiogeographical implications
FIGURE 4. Some elements of the carapace of the holotype of Eocenochelus eremberti comb. nov., MNHN.F CGR 101, from the middle Eocene (Lutetian) of Saint-Germain-en-Laye (Yvelines, Île-de-France, France). 1–2, plates of the carapace, in dorsal and ventral views. 3–4, reconstruction of the dorsal view of the shell, showing the position of all these elements of the carapace. 4–6, details of the outer surface of some plates of the carapace: the second left peripheral (4), the distal region of the sixth right costal (5), and the proximal region of the fourth left costal (6). Abbreviations: c, costal; M, marginal scute; n, neural; p, peripheral; PL, pleural scute; py, pygal; V, vertebral scute.
FIGURE 1 in The Erymnochelys group of turtles (Pleurodira, Podocnemididae) in the Eocene of Europe: New taxa and paleobiogeographical implications
FIGURE 1. Stratigraphic and paleobiogeographical distributions of the currently accepted members of Erymnochelyinae, including the European taxa described here, i.e., the representatives of the new genus Eocenochelus, belonging to the Erymnochelys group. The shell and skull symbols accompanying the name of each taxon indicate which of these elements are known. The star indicates continental Stereogenyina, and the pentagon indicates continental or littoral Stereogenyina.
FIGURE 3 in The Erymnochelys group of turtles (Pleurodira, Podocnemididae) in the Eocene of Europe: New taxa and paleobiogeographical implications
FIGURE 3. Skull of the holotype of Eocenochelus eremberti comb. nov., MNHN.F CGR 101, from the middle Eocene (Lutetian) of Saint-Germain-en-Laye (Yvelines, Île-de-France, France), in dorsal (1–2), ventral (3–4) and right lateral (5–6) views. Abbreviations: ane, apertura narium externa; ang, angular; bo, basioccipital; bs, basisphenoid; cm, condylus mandibularis; cpt, cavum pterygoidei; cv, cervical vertebra; den, dentary; ex, exoccipital; fct, foramen anterius chorda tympani; fo, fossa orbitalis; fpo, fenestra postotica; fpp, foramen palatinum posterius; fr, frontal; FR, frontal scute; fst, foramen stapedio-temporale; IP, interparietal scute; ju, jugal; MS, masseterian scute; mx, maxilla; MX, maxillary scute; op, opisthotic; pa, parietal; PA, parietal scute; pal, palatine; pf, prefrontal; pm, premaxilla; po, postorbital; pr, prootic; pt, pterygoid; ptp processus trochlearis pterygoidei; pw, pterygoid wing; q, quadrate; qj, quadratojugal; so, supraoccipital; SO, subocular scute.
FIGURE 7 in The Erymnochelys group of turtles (Pleurodira, Podocnemididae) in the Eocene of Europe: New taxa and paleobiogeographical implications
FIGURE 7. Shell of the holotype of Eocenochelus lacombianus sp. nov., MNHN.F EBA 534, from the lower Eocene (Ypresian) of Soulane (Jonquières, Aude, France). 1–2, carapace, in dorsal view. 3–4, carapace, in ventral view. 5, reconstruction of the dorsal view of the shell, showing the position of the preserved elements of the carapace. 6–7, plastron, in ventral view. 8–9, plastron, in dorsal view. Abbreviations: AB, abdominal scute; AN, anal scute; c, costal; en, entoplastron; ep, epiplastron; FE, femoral scute; GU, gular scute; hp, hypoplastron; HU, humeral scute; hy, hyoplastron; IG, intergular scute; M, marginal scute; ms, mesoplastron; n, neural; nu, nuchal; p, peripheral; PC, pectoral scute; PL, pleural scute; py, pygal; V, vertebral scute; xi, xiphiplastron.
FIGURE 6 in The Erymnochelys group of turtles (Pleurodira, Podocnemididae) in the Eocene of Europe: New taxa and paleobiogeographical implications
FIGURE 6. Fragmentary skeletal bones of the holotypes of Eocenochelus eremberti comb. nov., MNHN.F CGR 101, from the middle Eocene (Lutetian) of Saint-Germain-en-Laye (Yvelines, Île-de-France, France) (1–49), and Eocenochelus lacombianus sp. nov., MNHN.F EBA 534, from the lower Eocene (Ypresian) of Soulane (Jonquières, Aude, France) (50–57). 1–4, left hyoid horn, second branchial horn, in dorsal (1), medial (2), ventral (3) and lateral (4) views. 5–9, acromion of the right scapula with the partial glenoid articular region, in posterior (5), ventral (6), anterior (7) and dorsal (8) views, and articular part in ventrolateral view (9). 10–14, acromion of the left scapula with the partial glenoid articular region, in posterior (10), ventral (11), anterior (12) and dorsal (13) views, and proximal articular section (14). 15–19, left coracoid in dorsal (15), posteroventral (16), ventral (17) and anterior (18) views, and articular-glenoid facet part, in proximal view (19). 20–25, left ischium, in anterior (20), medial (21), posterior (22) and distal (23) views, and dorsal (24) and ventral (25) sections. 26–31, right ilium, in posterior (26), lateral (27), anterior (28) and medial (29) views, and dorsal (30) and ventral (31) sections. 32–37, left pubis, in anterior (32), medial (33), posterior (34) and lateral (35) views, proximal articular-acetabular region in dorsal view (36), and ventral section (37). 38–43, left humerus, in anterior (38), ventral (39), posterior (40) and dorsal (41) views, and proximal (42) and distal (43) sections. 44–49, right femur, in anterolateral (44), ventral (45), posteromedial (46) and dorsal (47) views, and proximal (48) and distal (49) sections. 50–53, right hemipelvis, in lateral (50), posterior (51), anterior (52) and medioventral (53) views. 54–57, left hemipelvis, in lateral (54), posterior (55), anterior (56) and medial (57) views.
FIGURE 2 in The Erymnochelys group of turtles (Pleurodira, Podocnemididae) in the Eocene of Europe: New taxa and paleobiogeographical implications
FIGURE 2. Geographic locations of the type localities of the European Eocene representatives of the podocnemidid Eocenochelus gen. nov.: Soulane (Jonquières, Aude, France), type locality of the lower Eocene (Ypresian) Eocenochelus lacombianus sp. nov.; Saint-Germain-en-Laye (Yvelines, Île-de-France, France), type locality of the middle Eocene (Lutetian) Eocenochelus eremberti comb. nov.; Can Beuloví (Sobremunt, Barcelona, Spain), type locality of the upper Eocene (Priabonian) Eocenochelus farresi sp. nov.
FIGURE 5 in The Erymnochelys group of turtles (Pleurodira, Podocnemididae) in the Eocene of Europe: New taxa and paleobiogeographical implications
FIGURE 5. Plastron of the holotype of Eocenochelus eremberti comb. nov., MNHN.F CGR 101, from the middle Eocene (Lutetian) of Saint-Germain-en-Laye (Yvelines, Île-de-France, France), in ventral (1–2) and dorsal (3–4) views. Abbreviations: AB, abdominal scute; AN, anal scute; en, entoplastron; ep, epiplastron; FE, femoral scute; GU, gular scute; hp, hypoplastron; HU, humeral scute; hy, hyoplastron; IG, intergular scute; M, marginal scute; ms, mesoplastron; PC, pectoral scute; xi, xiphiplastron.
Fig. 6 in Caninemys, a New Side-Necked Turtle (Pelomedusoides: Podocnemididae) from the Miocene of Brazil
Fig. 6. Skeleton of Stupendemys geographicus Wood, 1976, as mounted in the American Museum of Natural History under the direction of E.S. Gaffney, using the enlarged skull of Caninemys (DNPM-MCT 1496-R) and lower jaws (LACM 141498) in the restoration. Upper, Restored model of Caninemys skull (based on DNPM-MCT 1496-R) with lower jaw (based on LACM 141498, described in Gaffney et al., 1998). Both skull and jaw enlarged about twice original size to roughly agree with the shell. Lower, The world's largest turtle, Stupendemys geographicus Wood, 1976 (Urumaco, Venezuela, AMNH 29077; this cast is of a shell that is 7 feet 2 inches in length; the largest known shell is 7 feet 7 inches; see Wood, 1976).
Fig. 2 in Caninemys, a New Side-Necked Turtle (Pelomedusoides: Podocnemididae) from the Miocene of Brazil
Fig. 2. Caninemys tridentata, new genus and species, DNPM-MCT 1496-R holotype. Partially restored ventral view. (F. Ippolito, del.)
Fig. 1 in Caninemys, a New Side-Necked Turtle (Pelomedusoides: Podocnemididae) from the Miocene of Brazil
Fig. 1. Caninemys tridentata, new genus and species, DNPM-MCT 1496-R holotype. Partially restored views of skull. A, Dorsal; B, ventral; C, lateral. (B. Degner, del.)
Fig. 7 in Caninemys, a New Side-Necked Turtle (Pelomedusoides: Podocnemididae) from the Miocene of Brazil
Fig. 7. Cladogram of selected podocnemidid taxa and relevant outgroups. The data set (appendix 2) was analyzed in PAUP*4.0b10 using the branch-and-bound search option. Seven characters (4, 25, 28, 33, 34, 37, and 48) were run ordered. Characters 7, 14, and 29 were not used in the results presented here. This figure is a consensus tree of 11 equally parsimonious trees of 123 steps. Bootstrap values are based on 1000 replicates.
Fig. 4 in Caninemys, a New Side-Necked Turtle (Pelomedusoides: Podocnemididae) from the Miocene of Brazil
Fig. 4. Caninemys tridentata, new genus and species, DNPM-MCT 1496-R holotype. A, Dorsal; B, ventral; C, right lateral; D, posterior; E, left lateral; F, anterior. (B. Degner, del.)
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Allen Brain Atlas
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