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Fig. 1 in Evolution of postcranial skeleton in worm lizards inferred from its status in the Cretaceous stem-amphisbaenian Slavoia darevskii
Fig. 1. The axial skeleton of the stem-amphisbaenid Slavoia darevskii Sulimski, 1984 from late Campanian of Mongolia. A. The reconstruction of the first four vertebrae in dorsal view (based on different specimens). B. The reconstruction of sternum in ventral view (based on PIN 4487/14). C. The reconstruction of first hypapophysis (based on ZPAL MgR-I/108). D. PIN 3142/358, complete presacral vertebrate column in dorsal view; photo courtesy of Vladimir Alifanov. E. ZPAL MgR-I/78, the neck with well preserved, blunt and broad cervical ribs. F. The reconstruction (based on ZPAL MgR-I/8) of the fifth caudal vertebra in lateral (F1) and dorsal (F2) views; sacral vertebrae in dorsal view (F3).
Fig. 6 in Evolution of postcranial skeleton in worm lizards inferred from its status in the Cretaceous stem-amphisbaenian Slavoia darevskii
Fig. 6. Reconstruction of right humerus (A) and ulna (B) of Slavoia darevskii. A. ZPAL MgR-I/8, holotype. Proximal head with partially preserved epiphysis in proximal (A1) and ventral (A2) views, the shaft and distal head in medial view (A3), and distal head in distal view (A4). B. ZPAL MgR-I/9, subadult, in lateral (B1), posterior (B2), and medial (B3) views.
Fig. 15 in Evolution of postcranial skeleton in worm lizards inferred from its status in the Cretaceous stem-amphisbaenian Slavoia darevskii
Fig. 15. Sequence of evolutionary changes in the amphisbaenian body plan proposed in this work. The phylogenetic relationships are taken from Kearney and Stuart (2004) and Tałanda (2016).
Fig. 5 in Evolution of postcranial skeleton in worm lizards inferred from its status in the Cretaceous stem-amphisbaenian Slavoia darevskii
Fig. 5. Humerus of the stem-amphisbaenid Slavoia darevskii Sulimski, 1984 (ZPAL MgR-I/8) from late Campanian of Mongolia. A. Distal part in medial view. B. Humerus in ventral view, displaying also coracoid and interclavicule.
Fig. 11 in Evolution of postcranial skeleton in worm lizards inferred from its status in the Cretaceous stem-amphisbaenian Slavoia darevskii
Fig. 11. The stem-amphisbaenid Slavoia darevskii Sulimski, 1984 (PIN 3142/358, posterior half) from late Campanian of Mongolia; displaying nearly complete hindlimb and ischia. Photograph from the rear showing reduced pes (A), ventral side (B). Photos courtesy of Vladimir Alifanov.
Fig. 2 in Evolution of postcranial skeleton in worm lizards inferred from its status in the Cretaceous stem-amphisbaenian Slavoia darevskii
Fig. 2. Reconstructions of clavicles (C, D) and interclavicles (A, B) of Slavoia darevskii. A. Morphotype I based on ZPAL MgR-I/8, in anterior (C1), lateral (C2), and ventral (C3) views. B. Comparison of the morphotypes II and I in the same scale. C. Morphotype I based on ZPAL MgR-I/8. D. Outlines of the morphotype II preserved in ZPAL MgR-III/80; grey lines, damaged edges of the clavicle; dotted line, hypothetical reconstruction of missing part. Both in anterior view.
Fig. 8 in Evolution of postcranial skeleton in worm lizards inferred from its status in the Cretaceous stem-amphisbaenian Slavoia darevskii
Fig. 8. Reconstruction of pelvis of Slavoia darevskii. A. Based on PIN 3142/358, paired ischia in ventral view. B. Based on ZPAL MgR-I/8, in lateral view; the dashed line marks missing part.
Fig. 10 in Evolution of postcranial skeleton in worm lizards inferred from its status in the Cretaceous stem-amphisbaenian Slavoia darevskii
Fig. 10. The stem-amphisbaenid Slavoia darevskii Sulimski, 1984 (ZPAL MgR-I/9) from late Campanian of Mongolia. A. Left femur in posterior view. B. Tibia in posterior view.
Fig. 5 in Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms
Fig. 5. Osteoderms of the fossil and extant helodermatid lizards from the USA. A–C. Three osteoderms of Heloderma sp. recovered from the "Rhino Pit", Miocene–early Pliocene Gray Fossil Site. A. ETMNH 8746a in apical view. B. ETMNH 8746b in apical view. C. ETMNH 8746c in apical (C1) and basal (C2) views. D–F. Three isolated osteoderms of extant Heloderma horridum Wiegmann, 1829 showing varying degrees of a bone ring−extension around the tubercle. D. ETVP 7083a in apical view. E. ETVP 7083b in apical view. F. ETVP 7083c in apical (F1) and basal (F2) views.
Fig. 3. Extant helodermatid lizard Heloderma horridum Wiegmann, 1829 in Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms
Fig. 3. Extant helodermatid lizard Heloderma horridum Wiegmann, 1829 (ETVP 7081). A. Cranium showing overall pattern of osteoderms. B. Close−up of osteoderms with an acute vermiculate pattern where spicules form on the ridges. C. Close−up of the tail vertebrae and overlaying osteoderms.
Fig. 2. Extant helodermatid lizard from the USA. A in Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms
Fig. 2. Extant helodermatid lizard from the USA. A. Close−up of Heloderma suspectum Cope, 1869 hatchling (ETVP 17869) showing that the frontal and parietal lack fused−on osteoderms (typical of older individuals). B. Heloderma suspectum Cope, 1869 (hatchling; ETVP 17869). Thin, waffer−like osteoderms have numerous holes yet already show an incipient domed form, polygonal outline, and vermiculate texture on the apical side of the bone (top row) and lacks a basal platform (bottom osteoderm). C. Close−up of osteoderms covering portions of the parietal and frontal elements on a juvenile Heloderma horridum Wiegmann, 1829 (ETVP 17907).
Fig. 1. Extant helodermatid lizard Heloderma suspectum Cope, 1869 in Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms
Fig. 1. Extant helodermatid lizard Heloderma suspectum Cope, 1869 (ETVP 7096). A. An overall appearance of the osteoderm pattern on the cranial and nuchal regions. B. A close−up of the osteoderms exemplifying the morphology.
Fig. 6 in Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms
Fig. 6. Various skeletal elements from taxa within Monstersauria illustrating the variation in the osteoderms. A, B. Eurheloderma gallicum Hoffstetter, 1957, Phosphorites du Quercy, France, "san precision de gisement"; maxillae with attached osteoderms. A. Left maxilla, unknown specimen number. B. Right maxilla, holotype, MNHN; from Hoffstetter 1957; see Augé (2005) for discussion. C. Paraderma bogerti Estes, 1964, UCMP locality V−5817; maxilla UCMP 542610 with attached osteoderms (from Estes 1964). D, G. Lowesaurus matthewi (Gilmore, 1928) Lewis Creek, Logan County, Colorado, Oreodon Zone, White River formation. D. Right frontal, KUVP 49651 showing detail of large osteoderms (from Pregill et al. 1986). G. Right maxilla, UNSM 50011 with large fused osteoderms (from Yatkola 1976). E, F. Heloderma texana Stevens, 1977, Castolon Local Fauna, Delaho Formation, Texas. E. Cranial bone TMM 40635−119 with fused osteoderms illustrating the ring−extension around the individual osteoderms. F. Holotype skull TMM 40635−123.
Fig. 1 in Synonymization of the Miocene varanid lizard Iberovaranus Hoffstetter, 1969 with Varanus Merrem, 1820
Fig. 1. Varanid lizard Varanus sp. from Can Mas, early Miocene, IPS 58437; holotype of Iberovaranus catalaunicus Hoffstetter, 1969, a taxon here considered as taxonomically non valid. Trunk vertebra in dorsal (A), ventral (B), anterior (C), posterior (D), and left lateral (E) views.
Fig. 3 in Synonymization of the Miocene varanid lizard Iberovaranus Hoffstetter, 1969 with Varanus Merrem, 1820
Fig. 3. Trunk vertebrae of extant varanid lizards in ventral view. A. Varanus griseus (Daudin, 1803), ZFMK 53533. B. Varanus salvator (Laurenti, 1768), ZFMK 90471. Note the different development of the precondylar constriction (indicated by the arrows) and the proportions of the centrum and the condyle.
Fig. 2 in Synonymization of the Miocene varanid lizard Iberovaranus Hoffstetter, 1969 with Varanus Merrem, 1820
Fig. 2. Varanid lizard Varanus sp. from Can Mas, early Miocene, IPS 31701. Cervical vertebra dorsal (A), ventral (B), anterior (C), posterior (D), and left lateral (E) views.
Fig. 3 in Youngest agamid lizards from Western Europe (Sierra de Quibas, Spain, late Early Pleistocene)
Fig. 3. Chronological synthesis of the latest Miocene, Pliocene, and Pleistocene records of the family Agamidae in Western Europe (data mainly from Delfino et al. 2008). The grey strips represent the two periods of extinction of Western and Central European herpetofauna during the Pliocene and Pleistocene (Bailon 1991; Blain 2005, 2009; Bailon and Blain 2007; Ivanov 2007). MN, Mammal Neogene Biozonation.
Fig. 2 in Youngest agamid lizards from Western Europe (Sierra de Quibas, Spain, late Early Pleistocene)
Fig. 2. Agamidae indet. from the late early Pleistocene of Sierra de Quibas, Murcia, southeastern Spain. A. IPHES QB-06-EC-H/1, right maxilla in lateral (A 1) and medial (A 2) views. B. IPHES QB-06-EC-H/2, left dentary in lateral (B 1) and medial (B 2) views. C. IPHES QB-06-EC-H/3, right dentary in lateral (C 1) and medial (C 2) views. D. IPHES QB-06-EC-H/6, trunk vertebra in dorsal (D 1), ventral (D 2), and posterior (D 3) views. E. IPHES QB-06-EC-H/7, anterior caudal vertebra in dorsal (E ), ventral (E ), anterior (E ), posterior (E ), and left lateral (E ) views.
Fig. 1 in Youngest agamid lizards from Western Europe (Sierra de Quibas, Spain, late Early Pleistocene)
Fig. 1. Map of Western Europe (A), the location of Quibas paleontological site (B), geological map of the Quibas area (C) (modified from Montoya et al. 1999, 2001).
FIGURE 16. Shiramine Morphotype B, right mandible SBEI 827. 1–2 in An assemblage of lizards from the Early Cretaceous of Japan
FIGURE 16. Shiramine Morphotype B, right mandible SBEI 827. 1–2, dentary in labial view; 3–4, dentary and associated splenial in lingual view; 5–11, postdentary bones in 5–6 dorsomedial view; 7, ventral view; 8, dorsal view; 9, medial view; and 10, posterior view of articular surface. For abbreviations, see Material and Methods.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.