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212 results for “Fossil localities”
FIGURE 2 in New fossil representative of the genus Helius (Diptera, Limoniidae) from the little known and newly discovered locality Caergen Village of northeastern Tibetan Plateau (China)
FIGURE 2. Vegetation surrounding Caergen Village and outcrops of the fossiliferous strata. Red mark is the fossil collection location, photo 24 Jul 2015.
FIGURE 7 in Endemism and migration in the Kochkor Basin? Identification and description of Adcrocuta eximia (Mammalia: Carnivora: Hyaenidae) and c.f. Paramachaerodus (Mammalia: Carnivora: Felidae) fossils at the Miocene locality of Ortok, Kyrgyzstan
FIGURE 7. Time-scaled phylogeny of the Paramachaerodus genus and UOMNH F-70509's placement within it. The depicted tree is a strict consensus of two most-parsimonious trees of score 32. Note the location of UOMNH F-70509 as unresolved relative to "Promegantereon" ogygia at the base of the genus even though it occurs much later in the rock record. Time-scaling was performed in R, version 3.6.1 (R Core Team, 2019) with the Strap package (Bell and Lloyd, 2014) using the "basic" method. Taxa ages derive from Li and Spassov (2017). The outgroup taxon Proailurus lemanensis has an Oligocene occurrence, not shown for clarity, but its basal position in our analysed taxa is depicted with dotted lines.
FIGURE 4. Isolated left P4 in Endemism and migration in the Kochkor Basin? Identification and description of Adcrocuta eximia (Mammalia: Carnivora: Hyaenidae) and c.f. Paramachaerodus (Mammalia: Carnivora: Felidae) fossils at the Miocene locality of Ortok, Kyrgyzstan
FIGURE 4. Isolated left P4 of UOMNH F-70508, Adcrocuta eximia. A, schematic of preserved features in occlusal view; B, occlusal view of specimen displaying minimal wear on metastylar blade; C, lingual view of specimen. Note reduced protocone that does not extend anterior to the anterior face of the parastyle. Scale bar equals 10 mm.
FIGURE 6 in Endemism and migration in the Kochkor Basin? Identification and description of Adcrocuta eximia (Mammalia: Carnivora: Hyaenidae) and c.f. Paramachaerodus (Mammalia: Carnivora: Felidae) fossils at the Miocene locality of Ortok, Kyrgyzstan
FIGURE 6. Annotated views of UOMNH F-70509, cf. Paramachaerodus. A, distal tip of canine, labial view; B, distal tip of canine, posterior view, note incipient crenulations on posterior edge (arrows); C, distal tip of canine, lingual view; D, schematic representation of preserved post-canine elements, not to common scale, inferred missing anatomy modified from Li and Spassov (2017); E, occlusal view of preserved left M1; F, anterior view of preserved left M1; G, occlusal view of preserved P4 paracone; H, lingual view of preserved P4 paracone; I, labial view of preserved P4 paracone; Abbreviations: cc, centrocrista; cn, carnassial notch; mt, metacone; pc, paracrista; *prt, flared portion of paracone cusp leading to protocone; ps, parastyle. Scale bar A–C, and G–I, equals 15 mm, E–F, equals 6 mm.
Рис. 4. ГеографическаЯ локалиЗациЯ современных (●) и фоссильных (○) находок Laternula elliptica в Антарктике; (■) – локалиЗациЯ находки фоссильной раковины Laternula synthetica в Новой Зеландии. Fig. 4. Geographical localization of the Recent (●) and fossil (○) records of Laternula elliptica in Antarctica; (■) – record of a fossil shell of Laternula synthetica in New Zealand. in Species of warm-water origin Laternula elliptica (King, 1832) (Mollusca: Bivalvia: Laternulidae), a widespread mollusk in recent Antarctica
Рис. 4. ГеографическаЯ локалиЗациЯ современных (●) и фоссильных (○) находок Laternula elliptica в Антарктике; (■) – локалиЗациЯ находки фоссильной раковины Laternula synthetica в Новой Зеландии. Fig. 4. Geographical localization of the Recent (●) and fossil (○) records of Laternula elliptica in Antarctica; (■) – record of a fossil shell of Laternula synthetica in New Zealand.
FIGURE 12 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 12. Pycnodus jonesae (SEN 056) from the Late Maastrichtian Cap de Naze Formation discovered at the North Quarry of Poponguine. Left prearticular in occlusal view. Scale = 1 cm.
FIGURE 11 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 11. Maastrichtian invertebrates (internal molds formed in situ) of the Cap de Naze Formation discovered at the North Quarry of Poponguine. A, Turritellidae cf. Mesalia (SEN 060) natural cast in?abapertural view; and B, Naticidae indet. (SEN 071), natural cast in apical view. Scale = 1 cm.
FIGURE 8 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 8. The Islet of Poponguine locality where the Thanetian beds of the Poponguine Formation crop out. A, Overview of locality showing units 2–5 (see text for lithology); B, detail of fine coquina limestone (unit 2) with small cross stratification; C, detail of thick coquina limestone (unit 4) with oblique stratifications dominated by lamellibranches; D, detail of thick coquina limestone (unit 5) with turritellids; and E, detail of limestone breccia (unit 6).
FIGURE 7 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 7. Ndayane Cliff locality at Poponguine with the middle-late Danian Ndayane Formation cropping out. Buildings now cover the brachyanticline (upper right). The Maastricthian Cap de Naze Formation consisting of calcareous sandstone with hard ground underlies the Ndayane Formation unconformably. As seen in the center of the photograph, the beach of Poponguine obscures part of unit 1 of the Ndayane Formation. Unit 1 consists of calcareous sandstone with beds of marls and unit 2 of marls with calcite rosettes.
FIGURE 6 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 6. Contact between the Danian Ndayane Formation and the overlying Thanetian Poponguine Formation in the North Quarry of Poponguine locality.
FIGURE 14 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 14. Late Maastrichtian Testudines from the Upper Cap de Naze Formation of the North Quarry of Poponguine. A, Partial plastron in ventral view (SEN 054). Dotted lines mirrored to show extent of preservation. B, Peripheral carapace fragment in dorsal view (SEN 054). C, Partial neural bone in dorsal view (SEN 080). Abbreviations: ent, entoplastron; epi, epiplastron; hyo, hyoplastron. Scale = 2 cm.
FIGURE 3 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 3. Composite stratigraphic section correlating four fossiliferous Late Cretaceous–Early Paleogene localities of Western Senegal. Units are unique to each locality (i.e., unit 2 of the Ndayane Formation at the North Quarry locality is not necessarily the same as unit 2 of the Ndayane Formation at the Ndayane Cliff at Poponguine locality). Abbreviations: Camp, Campanian; CdN., Cap de Naze; Dan, Danian; Fm, formation; fs, fine sand; ms, medium sand; L, late; M/L, Middle to Late; Maas, Masstrichtian; Mid, middle; mst, mudstone; Nda., Ndayane Formation; Popo., Poponguine; pst, packstone; u, unit; wst, wackestone. Gray caps on three of the localities are Plio-Pleistocene ferruginous rocks.
FIGURE 13 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 13. Late Maastrichtian dyrosaurid crocodyliforms of the Cap de Naze Formation discovered at the North Quarry of Poponguine. A, B, Caudal vertebrae (SEN 062 and 064) from proximal region of tail in right lateral view; C, caudal vertebra (SEN 065) from middle of tail in right lateral view; D, distal caudal vertebra (SEN 073) in right lateral view; E, proximal right metatarsal II (SEN 069) in dorsal view; F, proximal right metatarsal II (SEN 059) from a larger individual; and G, isolated tooth crown (SEN 067) in labial view. Scalebars: A–F = 2 cm; G =1 cm.
FIGURE 1. A in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 1. A, Regional geologic map of western Senegal indicating names and ages of geologic formations exposed (after Roger et al., 2009), with black box indicating area under study (expanded in B). B, Positions of the four localities of the Ndayane/Poponguine area described in this paper: 1, Cap de Naze; 2, North Quarry of Poponguine; 3, Ndayane Cliff at Poponguine; and 4, Islet of Poponguine. All are in close proximity despite the variation in lithology among them. C, Position of field area in the Senegalese–Mauritanian Basin in western Senegal, West Africa.
FIGURE 2 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 2. Composite of formation names for Late Cretaceous–Early Paleogene rocks of western Senegal.
FIGURE 4 in A Composite Section of Fossiliferous Late Cretaceous- Early Paleogene Localities in Senegal and Preliminary Description of a New Late Maastrichtian Vertebrate Fossil Assemblage
FIGURE 4. The four units visible at the Cap de Naze Cliff locality with the end Campanian Paki Formation and the Late Maastrichtian Cap de Naze Formation cropping out under a Pliocene capping. A, units 1–4 (figure modified from Cuny et al., 2012: fig. 2) and B, units 1–3.
Figure 9. Fossil localities about 1 in Early Silurian phacopide trilobites from central Victoria, Australia
Figure 9. Fossil localities about 1 km south of Costerfield township; the area covered by the map is indicated on fig. 1.
Figure 13 in A review of the Tertiary fossil Cetacea (Mammalia) localities in Australia
Figure 13. Fossil Cetacea locality in the Gambier Basin, extreme south-east of South Australia. Solid circles represent fossil Cetacea localities. Modified from Alley et al. (1995).
Figure 5 in A review of the Tertiary fossil Cetacea (Mammalia) localities in Australia
Figure 5. Fossil Cetacea localities in the Otway Basin, western Victoria. Solid circles represent fossil Cetacea localities.
Figure 1 in A review of the Tertiary fossil Cetacea (Mammalia) localities in Australia
Figure 1. Correlation chart of Oligocene–Pliocene Australian fossil cetacean-bearing stratigraphic units. Abbreviations: Fmn=Formation; Lst=Limestone; Mbr=Member; Sst=Sandstone. Broken lines indicate uncertain maximum and minimum age ranges of stratigraphic units. Ages, chronostratigraphy, and planktonic foram zones modified from Alley et al. (1995) and Holdgate and Gallagher (2003).
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