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305 results for “palaeoecology”
FIGURE 1 in Givetian ostracods of the Candás Formation (Asturias, North-western Spain): taxonomy, stratigraphy, palaeoecology, relationship to global events and palaeogeographical implications
FIGURE 1. Location maps of the studied area. A. Devonian deposits cropping out in the Cantabrian Zone (adapted from García-Alcalde et al. 2012); B. Simplified geological map of the Luanco-Candás area showing the Naranco, the Candás and the Piñeres Fms (modified from García-López et al. 2002), with location of the Peran-Perlora and Carranques sections; C. Detailed location map of the Peran-Perlora section (adapted from García-López et al. 2002); D. Detailed location map of the Carranques section (adapted from Fernández et al. 1996).
FIGURE 6 in Givetian ostracods of the Candás Formation (Asturias, North-western Spain): taxonomy, stratigraphy, palaeoecology, relationship to global events and palaeogeographical implications
FIGURE 6. Faunal relations and Middle Devonian palaeogeographic reconstruction. Abbreviations: Ard: Ardenne (Namur and Dinant Synclinoria); Arm: Armorican Massif; Bhm: Bohemian Massif; Bln: Boulonnais; CcA: Carnic Alps; Ctz: Cantabrian Zone; Dvs: Devonshire; Grm: Germany (Eifel, Ruhr, Sauerland, Bergisches Land, Thuringia, Harz); IbC: Iberian Cordillera; Mth: Mouthoumet Massif; MtN: Montagne Noire; NMc: North Morocco (Doukkala, Meseta); OMZ: Ossa Morena Zone; Pld: Poland (Holy Cross Mountains, Pomerania); Ptd: Pontides; Rus: Russia (Volga and Urals areas; Baschkiria); Sao: Saoura; SMc: South Morocco (Anti-Atlas, Tafilalt); Tns: Tunisia; Trd: Taurides; Ygv: Ex-Yugoslavia (Serbia). For the reviewed literature on Givetian ostracods of those areas, see text. A. Faunal affinities between the Cantabrian Zone and other places in Europe and neighbouring areas during the Givetian; B. Middle Devonian palaeogeographic reconstruction (adapted from Blakey 2007).
Supplementary data from: Diversity, population structure and palaeoecology of the Pleistocene large cervids from the Padang Highlands, Sumatra
<p>This chapter deals with the dentognathic remains of the large deer from the Padang Highland caves in Sumatra. By means of a multiproxy approach we attempt to more fully document the presence and characteristics of the cervid family during the Late Pleistocene in this region. We used linear and geometric morphometric techniques to investigate variation, taxonomic position and body size trends in a dataset of upper and lower molars. Dental mesowear was used to assess dietary prefence in a sub-sample. The results suggest the Padang Highland cervids belonged to multiple populations of an early stock of <em>Rusa</em> deer of the size of <em>Rusa unicolor</em>, but morphologically similar to <em>Rusa timorensis</em>. <em>Rusa</em> sp. was reconstructed as a mixed feeder with an increase of the grazing component with age. </p>
Figure 6. A in The first report of Champsosaurus lindoei (Choristodera: Champsosauridae) from the Campanian of the United States: anatomical, phylogenetic, and palaeoecological significance
Figure 6. A, Strict consensus tree of four most parsimonious trees. Bremer supports are to the left of nodes and bootstrap values over 50% are to the right of nodes. B, Time-scaled 50% majority rule consensus tree of Neochoristodera. Taxon occurrence ranges are from Gao and Fox (1998) and Matsumoto et al. (2013), and divergence times are approximated from Brownstein (2022). Black boxes represent approximate occurrence ranges of each taxon. Node labels: A, Choristodera; B, 'Allochoristodera'; C, Monjurosuchidae; D, Hyphalosauridae; E, Neochoristodera; F, Champsosauridae. Abbreviations: As, Asia; Eu, Europe; NA, North America.
Figure 5. ROM 50000 in The first report of Champsosaurus lindoei (Choristodera: Champsosauridae) from the Campanian of the United States: anatomical, phylogenetic, and palaeoecological significance
Figure 5. ROM 50000 pelvic girdle and hindlimbs (A), right pes (B), and left pes (C). Abbreviations: as, astragalus; c, calcaneum; mt, metatarsal; t, tarsal; I1 through V2 indicate phalanx-digit position.
Figure 4. ROM 50000 in The first report of Champsosaurus lindoei (Choristodera: Champsosauridae) from the Campanian of the United States: anatomical, phylogenetic, and palaeoecological significance
Figure 4. ROM 50000 pectoral girdle (A), left forelimb (B), and integumentary impressions (C, D). Abbreviations: c, carpals; mc, metacarpal; ra, radius; ul, ulna; I1 through V3 indicate phalanx-digit position.
Figure 2 in The first report of Champsosaurus lindoei (Choristodera: Champsosauridae) from the Campanian of the United States: anatomical, phylogenetic, and palaeoecological significance
Figure 2. Image (A) and line drawing (B) of ROM 50000, from the Two Medicine Formation of Pondera County, Montana, USA. Specimen is preserved in ventral view, with the skull flipped to dorsal view for display. Abbreviations: c, caudal vertebra; ce, cervical; ch, chevron; cl, clavicle; co, coricoid; cr, caudal rib; d, dorsal vertebra; fe, femur; fi, fibula; gb, gastralial basket; gc?, potential gut contents; hu, humerus; ic, interclavicle; il, ilium; is, ischium; ma, manus; n, neural arch; pe, pes; pu, pubis; r, rib; s, sacral vertebra; sc, scapula; si, skin impressions; sk, skull; sr, sacral rib; ti, tibia.
Figure 1 in The first report of Champsosaurus lindoei (Choristodera: Champsosauridae) from the Campanian of the United States: anatomical, phylogenetic, and palaeoecological significance
Figure 1. Map of western Canada and the United States with Campanian Champsosaurus localities. Abbreviations: AB, Alberta; MT, Montana; ND, North Dakota; SD, South Dakota; SK, Saskatchewan; WY, Wyoming. Campanian and Maastrichtian holotype localities are labelled. Champsosaurus localities are entries in the Paleobiology Database (https://paleobiodb.org/#/). Map constructed using SimpleMappr (https://www.simplemappr.net/#tabs=0).
Figure 3 in The first report of Champsosaurus lindoei (Choristodera: Champsosauridae) from the Campanian of the United States: anatomical, phylogenetic, and palaeoecological significance
Figure 3. Image (A) and line drawing (B) of the skull of ROM 50000 in dorsal view. Abbreviations: bo, basioccipital; c, coronoid; d, dentary; ex, exoccipital; fr, frontal; ju, jugal; la, lacrimal; ma, maxilla; na, nasal; ne, neomorph; pa, parietal; pm, premaxilla; pof, postfrontal; por, postorbital; pqf, pterygoquadrate foramen; pr, prootic; prf, prefrontal; pt, pterygoid; q, quadrate; qj, quadratojugal; sa, surangular; so, supraoccipital; sq, squamosal.
Fig. 5 in Shell bone histology of solemydid turtles (stem Testudines): palaeoecological implications
Fig. 5 Thin-sections of Solemydidae aff. Naomichelys sp. Images in a-c and f-h in normal transmitted, d, e and i in crosspolarised, and right side in g in cross-polarized light using lambda compensator. a Peripheral (TMP 90.60.07). b Limb ossicle (FM PR 273). c Shell fragment (TMP 90.60.07). d Close-up of external cortex and ornamentation in peripheral (TMP 90.60.07). e Close-up of external cortex and ornamentation in shell fragment (TMP 90.60.07). f Close-up of cancellous bone of shell fragment (TMP 90.60.07). g Close-up of cancellous bone and internal cortex of shell fragment (TMP 90.60.07). h, i Close-up of cortical bone of limb ossicle (FM PR 273). Abbreviations: CB cancellous bone; ECO external cortex; ICO internal cortex; ISF interwoven structural fibres; LB lamellar bone; lsFB longitudinally sectioned fibre bundles; OP ornamentation pattern; PFB parallel-fibred bone; trFB transversally sectioned fibre bundles
Fig. 2 Sectioned solemydid specimens and resulting binary images used for compactness analysis with Bone Profiler. a in Shell bone histology of solemydid turtles (stem Testudines): palaeoecological implications
Fig. 2 Sectioned solemydid specimens and resulting binary images used for compactness analysis with Bone Profiler. a Solemys vermiculata, costal fragment (MCNA-15047). b Solemys vermiculata, shell fragment (MCNA-15046). c Solemys sp., costal fragment (UPUAM-14001)
Fig. 1 in Shell bone histology of solemydid turtles (stem Testudines): palaeoecological implications
Fig. 1 Selected solemydid taxa used in the present study. a Solemys vermiculata, costal fragment (MCNA-15047). b Solemys sp., costal fragment (UPUAM-14001). c, d Solemydidae aff. Naomichelys sp., peripheral (TMP 90.60.07). e Solemydidae aff. Helochelydra sp., peripheral (MNCN 59503). f Solemydidae aff. Helochelydra, plastral fragment (MNCN 59503). g Plastremys lata, costal fragment (NHMUK R 2251)
FIGURE 10 in Ghost shrimp Calliax de Saint Laurent, 1973 (Decapoda: Axiidea: Callianassidae) in the fossil record: systematics, palaeoecology and palaeobiogeography
FIGURE 10. Calliax michelottii (A. Milne Edwards, 1860) comb. nov., reconstruction: A, major chela; B, minor chela (based on Fritsch 1871: pl. 17, fig. 14). Both chelae are depicted in outer lateral aspect.
Data from: Trophic niche ontogeny and palaeoecology of early Toarcian Stenopterygius (Reptilia: Ichthyosauria)
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Data from: Biodiversity-ecosystem functioning relationships in long-term time series and palaeoecological records: deep sea as a test bed
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Data from: The functional and palaeoecological implications of tooth morphology and wear for the megaherbivorous dinosaurs from the Dinosaur Park Formation (upper Campanian) of Alberta, Canada
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Data from: Diversity and palaeoecology of the enigmatic genus Knebelia (Eucrustacea, Decapoda, Eryonidae) from Upper Jurassic plattenkalks in southern Germany
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Data from: Early Pennsylvanian (Langsettian) fish assemblages from the Joggins Formation, Canada, and their implications for palaeoecology and palaeogeography
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Data from: Fish and tetrapod communities across a marine to brackish salinity gradient in the Pennsylvanian (early Moscovian) Minto Formation of New Brunswick, Canada, and their palaeoecological and palaeogeographical implications
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Modern pollen–plant diversity relationships inform palaeoecological reconstructions of functional and phylogenetic diversity in calcareous fens
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