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189 results for “Squamate”
Fig. 3 in An early Eocene pan-gekkotan from France could represent an extra squamate group that survived the K/Pg extinction
Fig. 3. Pan-gekkotan squamate Bauersaurus cosensis gen. et sp. nov. from Cos, France, early Eocene (MP 10–11). Photographs of the holotype (UM- COS-1012) maxilla (A) and UM-COS-1013 dentary (B) in lateral (A1, B1) and medial (A2, B2) views.
Fig. 5. A in An early Eocene pan-gekkotan from France could represent an extra squamate group that survived the K/Pg extinction
Fig. 5. A. Reconstruction of the complete skull of an early Eocene pan-gekkotan squamate Bauersaurus cosensis gen. et sp. nov. from Cos, France, using a D model of a living gekkotan with similar morphology and proportions of bones, Pseudothecadactylus australis (MCZ Herp R- 35162), grey silhouette; Bauersaurus, micro-CT visualizations of jaws in lateral view. B–F. Comparison of the overall shape of the facial process with other gekkotans, i.e. the Late Jurassic Eichstaettisaurus schroederi (the holotype BSPG 1937 I; modified from Simões et al. 2017), (B) the early Eocene (MP 10) Laonogekko lefevrei (the holotype MNHN PMT 5; modified from Augé 2005) (C), the middle Eocene (MP 12 and MP 13) Geiseleptes delfinoi (the holotype GMH Ce IV-4057-1933; modified from Villa et al. (2022) (D), the middle–late Eocene (MP 16–19) Cadurcogekko piveteaui (the right maxilla MNHN QU 17734; modified from Augé 2005) (E), and Cadurcogekko cf. piveteaui (mirror inverted left maxilla NHMW 2019/0052/0001 originally described by Georgalis et al. 2021) (F).
Fig. 2 in An early Eocene pan-gekkotan from France could represent an extra squamate group that survived the K/Pg extinction
Fig. 2. Pan-gekkotan squamate Bauersaurus cosensis gen. et sp. nov. from Cos, France, early Eocene (MP 10–11). UM-COS-1013, right dentary, in lateral (A1), medial (A2), dorsal (A3) views (all micro-CT visualizations).
FIGURE 9 in Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)
FIGURE 9. Fossil remains of Naja cf. romani from FP 1: A, venom fang (UBB V 969) in anterior view; B-G, presacral vertebrae (UBB V 970/1-4) in dorsal (B, F), ventral (C, G), lateral (D) and anterior (E) views; H-J, caudal vertebra (UBB V 970/5) in dorsal (H), anterior (I) and ventral (J) views. Scale bars (A; B-J) equal 2 mm.
FIGURE 8 in Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)
FIGURE 8. Fossil snake vertebrae from FP 1: A-B, Scolecophidia indet. (UBB V 965/1-2) in dorsal (A) and ventral (B) views; C-I, Natrix sp. (UBB V 967/1-5) in dorsal (C, D, I), ventral (F), anterior (E) and lateral (G, H) views; J, Colubridae indet. (UBB V 968/1) in ventral view. Scale bars (A-B; C-J) equal 2 mm.
FIGURE 7 in Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)
FIGURE 7. Fossil remains of Anguinae indet. sp. 2 from FP 1: A, fragmentary maxilla (UBB V 960/1) in lingual view; B-D, fragmentary dentaries (UBB V 960/2-4 in lingual views; E-F, osteoderms (UBB V 962/3-4) in dorsal view; G-H, presacral vertebra (UBB V 961/1) in dorsal and anterior views. Scale bar equals 2 mm.
FIGURE 6 in Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)
FIGURE 6. Fossil remains of lacertids (A-F) and anguids (G-I) from FP 1: A-C, dentary fragments of Lacertidae indet. sp. 1 (UBB V 957/2-4) in lingual views; D, left dentary of Lacertidae indet. sp. 1 (UBB V 958) in lingual view; E-F, dentary fragments of Lacertidae indet. sp. 2 (UBB V 959/3-4) in lingual views; G-I, presacral vertebra of Anguinae indet. sp. 1 (UBB V 964/1) in ventral, lateral and anterior views; J, fragmentary osteoderm of Anguinae indet. sp. 1 (UBB V 964/2) in dorsal view. Scale bar equals 2 mm.
FIGURE 5 in Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)
FIGURE 5. Fossil remains of Bufotes cf. viridis (A-F) and Pelophylax sp. (G-J) from FP 1: A, sacral vertebra (UBB V 950) in ventral view; B-C, distal fragments of humeri (UBB V 951/1-2) in ventral views; D-F, fragmentary ilia (UBB V 952/1-3) in lateral views; G-H, fragmentary frontoparietals (UBB V 953/1-2) in dorsal (G) and ventral (H) views; I, angulosplenial (UBB V 954/2) in dorsal view; J, fragmentary ilium (UBB V 956) in lateral view. Scale bar equals 2 mm.
FIGURE 4 in Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)
FIGURE 4. Fossil remains of Latonia sp. (A, B) and Pelobates sp. (C-J) from FP 1: A-B, fragmentary ilia (UBB V 944/ 1-2) in lateral views; C, premaxilla (UBB V 945/1) in posterior view; D, angulosplenial (UBB V 946/3) in dorsal view; EF, fragmentary frontoparietal (UBB V 945/2) in dorsal (E) and ventral (F) views; G-H, fragmentary maxillae (UBB V 946/ 1-2 in lingual (G) and (H) labial views; I-J, presacral vertebra (UBB V 947) in ventral (I) and dorsal (J) views. Scale bar equals 2 mm.
FIGURE 3 in Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)
FIGURE 3. Fossil remains of Triturus sp. from FP 1: A, atlas (UBB V 941) in ventral view; B-G, presacral vertebrae (UBB V 942/1-2) in dorsal (B, E), lateral (D, G) and ventral (C, D) views; H, proximal fragment of femur (UBB V 943/1); I, distal fragment of femur (UBB V 943/2). Scale bar equals 2 mm.
FIGURE 1. Geological setting. A in Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)
FIGURE 1. Geological setting. A, geological map of Moldova region, Romania and location of the Fălciu-Prut 1 fossil site (compiled after: Ionesi (1994) - geology; Săndulescu (1984), Răileanu et al. (2011) - tectonics; Haase et al. (2007) - loess cover); B, lithological log of the FP 1 fossil site.
FIGURE 2 in Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)
FIGURE 2. Fossil remains of Chelotriton sp. from FP 1: A-C, left oticooccipital (UBB V 939) in dorsal (A), ventral (B) and medial (C) views; D-E, fragmentary frontal (UBB V 940/1) in dorsal (D) and ventral (E) views; F-G, fragmentary dentary (UBB V 940/2) in labial (F) and lingual (G) views; H, rib fragment (UBB V 938/4) in lateral view; I-J, presacral vertebrae (UBB V 938/1-3) in ventral (I, J) and dorsal views (K). Abbreviations: coc, occipital condyle; fen, endolymphatic foramen; fov, fenestra ovalis; fpe, perilymphatic foramen; pb, basal process, VII, facial nerve foramen; VIII, auditory nerve foramina; IX + X, glossopharyngeal + vagus nerve foramen. Scale bar equals 2 mm.
FIGURE 30. Cheiracanthus latus squamation, SEM images. 1-5, NMS G. 2019.3.7.21 in A redescription of the three longest-known species of the acanthodian Cheiracanthus from the Middle Devonian of Scotland
FIGURE 30. Cheiracanthus latus squamation, SEM images. 1-5, NMS G. 2019.3.7.21 from Den of Findon: 1, NMS G. 2019.3.7.21.2, crown view; 2, NMS G. 2019.3.7.21.5, crown view; 3, NMS G. 2019.3.7.21.13, anterior view; 4, NMS G. 2019.3.7.21.7, laterocrown view; 5, NMS G. 2019.3.7.21.14, laterocrown view. 6-7: NMS G.2019.14.9.2 from Geanies Point: 6, NMS G.2019.14.9.2.8, anterocrown view; 7, NMS G.2019.14.9.2.5, crown view. 8-10: NMS G.2019.14.4.2 from Hilton or Cadboll: 8, NMS G.2019.14.4.2.15, crown view; 9, NMS G.2019.14.4.2.5, crown view; 10, NMS G.2019.14.4.2.16, laterocrown view. Scale bars equal 0.2 mm. p, pit; pr, neck protuberance.
Figs 1-6 in Minimizing the damage: a methodological proposal to remove the brains of anurans and squamates
Figs 1-6, Step-by-step dissection of an anuran brain: 1, specimen condition before the dissection; 2, cross-section cuts; 3, lifting the skin; 4, bones cut off surrounding the brain; 5, bones cut off straightly toward the nostrils; 6, eXposed brain. The red dots represent the points of insertion of the scissors. The arrows in figures 3 and 4 represent the direction of the movement. The arrow in figure 6 represents the medulla oblongata.
Figs 7-11 in Minimizing the damage: a methodological proposal to remove the brains of anurans and squamates
Figs 7-11, Step-by-step dissection of a snake brain: 7, sagittal cut from the upper edge of the rostral scale toward the occipital scales; 8, transversal cut from the posterior edge of the supraocular scale toward the other supraocular scale; 9, lifting the skin. The junction of the frontal bone with the parietal is highlighted, and the red dot represents the point of the insertion of the scissors; 10, bones cut off straightly toward following the sagittal/medial plane; 11, exposed brain. The arrow in figure 7 is pointing to the square bone. The arrow in figure 10 represents the direction of the movement. The arrow in figure 11 represents the medulla oblongata.
Fig. 2 in New lissamphibians and squamates from the Maastrichtian of Haţeg Basin, Romania
Fig. 2. Albanerpeton sp. A. PSMUBB V 180, left premaxilla in lingual (A1) and labial (A2) views. B. PSMUBB V 195, right maxilla in lingual (B1) and labial (B2) views. C. PSMUBB V 237, left dentary in lingual (C1), labial (C2), and occlusal (C3) views. D. PSMUBB V 308, small fragmentary frontal in ventral (D1) and dorsal (D2) views. E. PSMUBB V 317, distal end of a left humerus in ventral view. F. PSMUBB V 328, atlas in anterior view. G. PSMUBB V 334, axis in dorsal view. SEM migrographs.
Fig. 1 in New lissamphibians and squamates from the Maastrichtian of Haţeg Basin, Romania
Fig. 1. The outcrop (Pui Islaz, indicated by a star) attributed to the Maastrichtian Sânpetru Formation, is located in the Bărbat River bed south of the village of Pui. The grey areas indicate the sedimentary basins (I, Rusca Montana Basin; II, Strei Basin; III, Haţeg Basin; IV, Petrosani Basin). Modified from Codrea et al. (2002).
Fig. 3. A–E. Discoglossidae. A. PSMUBB V 356 in New lissamphibians and squamates from the Maastrichtian of Haţeg Basin, Romania
Fig. 3. A–E. Discoglossidae. A. PSMUBB V 356, cf. Eodiscoglossus sp., left ilium in lateral view. B, C. cf. Paradiscoglossus sp. B. PSMUBB V 357, great form, right ilium in lateral view. C. PSMUBB V 358, small form, left ilium in lateral view. D, E. Discoglossidae indet. D. PSMUBB V 353, urostyle in dorsal view. E. PSMUBB V 355 sacral vertebra in ventral view. F, G. Becklesius. F. PSMUBB V 365, B. cf. hoffstetteri, left dentary in lingual view. G. PSMUBB V 361, holotype of B. nopcsai sp. nov., fragment of left dentary (G1) and tooth crown (G2) in lingual view. SEM migrographs.
Text-fig. 6. Squamates: a – vertebra of Amphisbaenia indet. from Nasrettinhoca 1, in dorsal (a1), ventral (a2), lateral (a3), anterior (a4), and posterior (a5) views, EUNHM PV-13238; b – right maxilla of Lacertidae indet. from Nasrettinhoca 1, in lateral (b1) and medial (b2) views, EUNHM PV-13239; c – cervical vertebra of Natrix sp. from Hamamkarahisar B, in dorsal (c1), ventral (c2), lateral (c3), anterior (c4), and posterior (c5) views, EUNHM PV-13240; d – trunk vertebra of Natricinae indet. from Nasrettinhoca 2, in dorsal (d1), ventral (d2), lateral (d3), anterior (d4), and posterior (d5) views, EUNHM PV-13241; e – vertebra of cf. Colubrinae indet. from Yenişarbademli, in ventral (e1), dorsal (e2), and anterior (e3) views, EUNHM PV-13262. Scale equals 1 mm. in Plio-Pleistocene Amphibians And Reptiles From Central Turkey: New Faunas And Faunal Records With Comments On Their Biochronological Position Based On Small Mammals
Text-fig. 6. Squamates: a – vertebra of Amphisbaenia indet. from Nasrettinhoca 1, in dorsal (a1), ventral (a2), lateral (a3), anterior (a4), and posterior (a5) views, EUNHM PV-13238; b – right maxilla of Lacertidae indet. from Nasrettinhoca 1, in lateral (b1) and medial (b2) views, EUNHM PV-13239; c – cervical vertebra of Natrix sp. from Hamamkarahisar B, in dorsal (c1), ventral (c2), lateral (c3), anterior (c4), and posterior (c5) views, EUNHM PV-13240; d – trunk vertebra of Natricinae indet. from Nasrettinhoca 2, in dorsal (d1), ventral (d2), lateral (d3), anterior (d4), and posterior (d5) views, EUNHM PV-13241; e – vertebra of cf. Colubrinae indet. from Yenişarbademli, in ventral (e1), dorsal (e2), and anterior (e3) views, EUNHM PV-13262. Scale equals 1 mm.
FIG. 5 in Amphibians and squamate reptiles from the late early Miocene (MN 4) of Béon 1 (Montréal-du-Gers, southwestern France)
FIG. 5. — Varanus sp., trunk vertebra (Béon 2004 LT 54), in anterior (a), dorsal (d), left lateral (l), posterior (p), and ventral (v) views. Scale bar: 5 mm.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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