File:Allosaurus atrox.jpg: Difference between revisions
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DescriptionAllosaurus atrox.jpg |
Allosaurus atrox (Marsh, 1878) theropod dinosaur (cast) from the Jurassic of Utah, USA (public display, South Australian Museum, Adelaide, South Australia). The most famous Jurassic-aged theropod is Allosaurus. It’s smaller than its Late Cretaceous relative Tyrannosaurus, but was still a top predator. The species Allosaurus atrox (Marsh, 1878) is well known from numerous individuals found in the Morrison Formation (Upper Jurassic) at the famous Cleveland-Lloyd Quarry in Utah, USA. Allosaurus atrox is only known from the Late Jurassic of western America. Stratigraphy: Morrison Formation, Tithonian Stage, upper Upper Jurassic Locality: Cleveland-Lloyd Quarry, northern Emery County, east-central Utah, USA Theropod were small to large, bipedal dinosaurs. Almost all known members of the group were carnivorous (predators and/or scavengers). They represent the ancestral group to the birds, and some theropods are known to have had feathers. Some of the most well known dinosaurs to the general public are theropods, such as Tyrannosaurus, Allosaurus, and Spinosaurus. |
Date | |
Source | Allosaurus atrox theropod dinosaur (Morris Formation, Upper Jurassic; Cleveland-Lloyd Quarry, northern Emery County, east-central Utah, USA) 1 |
Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at http://flickr.com/photos/47445767@N05/15375587115. It was reviewed on 29 September 2014 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
29 September 2014
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:54, 29 September 2014 | 2,462 × 1,633 (1.89 MB) | Cropbot (talk | contribs) | upload cropped version, operated by User:FunkMonk. Summary: cropped | |
12:36, 29 September 2014 | 2,476 × 1,675 (1.7 MB) | FunkMonk (talk | contribs) | Transferred from Flickr via Flickr2commons |
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D70s |
Exposure time | 1/40 sec (0.025) |
F-number | f/3.8 |
Date and time of data generation | 00:02, 17 August 2006 |
Lens focal length | 22 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 23:17, 27 September 2014 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 00:02, 17 August 2006 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 3.7 APEX (f/3.61) |
Metering mode | Spot |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 90 |
DateTimeOriginal subseconds | 90 |
DateTimeDigitized subseconds | 90 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 33 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Soft |
Saturation | Normal |
Sharpness | Hard |
Subject distance range | Unknown |
Supported Flashpix version | 1 |
Image width | 2,476 px |
Image height | 1,675 px |
Date metadata was last modified | 19:17, 27 September 2014 |