Find research datasets worth reusing

opencc-by-4.0May 2018View details →

Fig. 3. Caviid rodent Neocavia lozanoi Kraglievich, 1932 in Systematic review of Neocavia from the Neogene of Argentina: Phylogenetic and evolutionary implications

Fig. 3. Caviid rodent Neocavia lozanoi Kraglievich, 1932 from the late Miocene–early Pliocene of northwest Argentina, Andalhuala Formation, "Araucanense": Andalhuala locality, Santa María Valley, Catamarca Province, Argentina (A, C) and Encalilla locality, Santa María Valley, Tucumán Province (B). A. MACN-Pv 8400, skull with left P4–M3 and right P4–M2 (A1–A4), right mandibular fragment with incisor p4–m2, and m3 broken (A5–A7). B. PVL 7057, maxillary fragment with left and right P4–M2. C. MACN-Pv 8415, left mandibular fragment with p4–m2. In dorsal (A1), ventral (A2, B1), lateral (A3, A4, B2), labial (A5, C1), lingual (A6, C2), and occlusal (A7, C3) views. Abbreviations: nMpi, notch for the insertion of the tendon of the masseter medialis pars infraorbitalis muscle. Scale bars 5 mm.

opencc-by-4.0Jun 2018View details →

Fig. 2 in Youngest record of the extinct walrus Ontocetus emmonsi from the Early Pleistocene of South Carolina and a review of North Atlantic walrus biochronology

Fig. 2. Right canine tusk of odobenid walrus Ontocetus emmonsi (CCNHM 1144) from the Lower Pleistocene?Waccamaw Formation, Austin Sand Pit, South Carolina, in lingual (A), proximal (B), anterior (C), and labial (D) views.

opencc-by-4.0Jun 2018View details →

Fig. 1. A in Youngest record of the extinct walrus Ontocetus emmonsi from the Early Pleistocene of South Carolina and a review of North Atlantic walrus biochronology

Fig. 1. A. Map showing the location of South Carolina and Austin Sand Pit near Ridgeville in Dorchester County (asterisked). B. Generalized stratigraphic column of the Austin Sand Pit with biostratigraphically significant vertebrate fossils from the?Waccamaw Formation (C, D). Colors approximate sediments exposed in the Austin Sand Pit.

opencc-by-4.0Jun 2018View details →

Fig. 3 in Youngest record of the extinct walrus Ontocetus emmonsi from the Early Pleistocene of South Carolina and a review of North Atlantic walrus biochronology

Fig. 3. Scatterplot of ratio of proximal transverse width/anteroposterior length versus radius of the arc of curvature for tusks of Odobenus and Ontocetus, including CCNHM 1144. Original plot modified from Kohno and Ray (2008: fig. 27).

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. 5 in A taxonomic and biogeographic review of the fossil tapirs from Bolivia

Fig. 5. Pleistocene tapirs from Tarija Valley (Bolivia). A–C. Tapirus tarijensis Ameghino, 1902. A. MNHN-TAR 844, partial left mandible, in dorsal view. B. MNHN-TAR 845, right mandible, in dorsal view. C. UF 91589, partial left mandible (C 1), mandibular symphysis (C 2), and partial right mandible (C 3), all in dorsal view. D–G. Tapirus sp. D. MACN-PV-604, left MC III, in anterior view. E. MNHN-TAR 850, right MT IV, in anterior view. F. MNHN-TAR 849, left MC III, in anterior view. G. MNHN-TAR 848, left MT IV, in anterior view. Scale bars 50 mm.

Fig. 2 in A taxonomic and biogeographic review of the fossil tapirs from Bolivia

Fig. 2. Photographs (A 1, B 1) and explanatory drawings (A 2, B 2) of the left pm2 of tapirs Tapirus tarijensis Ameghino, 1902, MACN-PV-1523 from Tarija Valley (Bolivia), Pleistocene (A) and Tapirus terrestris (Linnaeus, 1758), CICYTTP-M-1-4, from Parque Nacional Iguazú, Misiones (Argentina), Recent (B), in occlusal views. Scale bars 10 mm.

Fig. 4. Pleistocene tapir Tapirus tarijensis Ameghino, 1902 in A taxonomic and biogeographic review of the fossil tapirs from Bolivia

Fig. 4. Pleistocene tapir Tapirus tarijensis Ameghino, 1902, from Tarija Valley (Bolivia). A. MNPA-V485, partial right mandible, in dorsal view. B. MN- PA-V1437, partial right mandible, in dorsal view. C. MNPA-V1448, partial left mandible, in dorsal view. D. MNPA-V1446, partial right mandible, in dorsal view. E. MNPA-V1447, partial left mandible, in dorsal view. F. MNPA-V1445, partial right mandible, in dorsal view. G. MNPA-V 5942, mandibular symphysis (G 1); left pm3–pm4 (G 2); right M2? (G 3); right pm3, left m1? and two unerupted m1? (G 4); all in dorsal/occlusal view. Scale bars in A, F, and G 2 –G 4,10 mm; in B–E and G 1, 50 mm.

Fig. 3. Pleistocene tapir Tapirus tarijensis Ameghino, 1902 in A taxonomic and biogeographic review of the fossil tapirs from Bolivia

Fig. 3. Pleistocene tapir Tapirus tarijensis Ameghino, 1902, from Tarija Valley (Bolivia). A. MACN-PV-1523, left mandible, in dorsal (A1), and lateral (A2) views. B. MNPA-V 006038, palatal fragment, in ventral view. C. MNHN-TAR 843, partial left maxilla, in ventral view. D. MNHN-TAR 842, left mandible, in dorsal view. E. MNHN-TAR 847, partial right mandible, in dorsal view. F. MNHN-TAR 846, partial left mandible, in dorsal view. Scale bars 50 mm.

Fig. 3 in A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina

Fig. 3. Stratigraphic column at La Ciénaga, 5 km northwest of Purmamarca, indicating the beds containing cephalopods.

Fig. 2. A in A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina

Fig. 2. A. Map of Argentina with the Jujuy region in black. B. Jujuy region with the study are indicated. C. Location map of the fossil locality (La Ciénaga), 5 km northwest of Purmamarca.

Fig. 1 in A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina

Fig. 1. Explanation of some of the measurements indicated in Table 2: a, distance between adjacent sutures; b, dorsoventral conch diameter; c, distance between the plane of the suture and the culmination of the septum. (a/b).100 = Cam. Dep. (c/b).100 = Sep. Dep. For abbreviations see epigraph of Table 2.

Fig. 5 in A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina

Fig. 5. Paleobiogeographical distribution of Protocyptendoceras and the related genera Anthoceras Teichert and Glenister, 1954, Notocycloceras Teichert and Glenister, 1954, Lobendoceras Teichert and Glenister, 1954 and Ventroloboceras Teichert and Glenister, 1954 (see text for explanation). AN, Antarctica; AUST, Australia; AM, Armorican Massif; BM, Bohemian Massif; B, Baltica; G, Gondwana; IN, India; L, Laurentia; SCH, South China; NCH, North China; S, Siberia; CAB, Argentinian part of the Central Andean Basin (paleogeographical map after Astini et al. 2007).

opencc-by-4.0Jan 2008View details →

Fig. 3 in New blattarians and a review of dictyopteran assemblages from the Lower Cretaceous of Mongolia

Fig. 3. Blattulid cockroach Vrtula sama gen. et sp. nov. A. PIN 3664/2201, a complete specimen. B. Holotype, PIN 3664/2216; photograph (B1) and explanatory drawing (B2). C. PIN 3664/2220, a hindwing: 9 mm; photograph (C1) and explanatory drawing (mirrored) (C2). All from Shin−Khuduk, Mongolia. Early Cretaceous. Abbreviations: A, anal; CuA, cubitus anterior; CuP, cubitus posterior; M, media; R, radius; R1, radius anterior; Sc, subcosta.

opencc-by-4.0Jan 2008View details →

Fig. 4 in New blattarians and a review of dictyopteran assemblages from the Lower Cretaceous of Mongolia

Fig. 4. Right forewing of an unidentified genus and species of the family Phyloblattidae. PIN 3559/8013 from Bon Tsagaan, Mongolia, Barremian or Aptian. Whole specimen (A), details of the cubital area (B, C), and explanatory drawing (D). Abbreviations: CuA, cubitus anterior; M, media; R, radius.