File:Giant white shark coprolite (Miocene; coastal waters of South Carolina, USA).jpg
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Summary
editDescriptionGiant white shark coprolite (Miocene; coastal waters of South Carolina, USA).jpg |
Giant white shark coprolite from the Miocene of South Carolina, USA (public display, Dakota Dinosaur Museum, Dickinson, North Dakota, l masses. They range in size from microscopic-sized pellets to moderately sizable dung piles. The most famous attributed examples are “Washington coprolites” from the Miocene Wilkes Formation of Washington State, USA. But these are now considered cololites (intestinal casts). True coprolites are fossilized dung. Thin sections of coprolites often reveal fragments of incompletely digested plant matter or sometimes undigested animal tissue. So, coprolite studies can provide information about the diet of ancient organisms, assuming the coprolite maker is known with some specificity (which is often not the case). This large coprolite is attributed to the extinct giant white shark, Carcharodon megalodon Agassiz, 1843 (Animalia, Chordata, Vertebrata, Chondrichthyes, Elasmobranchii, Lamnidae). Biogenic products are objects produced by ancient organisms. Many paleontologists refer to these as trace fossils, but they really aren't. Examples of fossil biogenic products include eggs, amber (fossilized tree sap), coprolites (fossilized feces), and spider silk. Čeština: Koprolit megalodona |
Date | |
Source | Giant white shark coprolite (Miocene; coastal waters of South Carolina, USA) |
Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/15360003718. It was reviewed on 2 April 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
2 April 2015
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current | 13:17, 2 April 2015 | 2,521 × 1,633 (1.3 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 | 1/60 sec (0.016666666666667) |
F-number | f/5.6 |
Date and time of data generation | 17:38, 27 August 2008 |
Lens focal length | 200 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 20:41, 15 October 2014 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 17:38, 27 August 2008 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, strobe return light detected, auto mode |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
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 | 300 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Soft |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Supported Flashpix version | 1 |
Image width | 2,521 px |
Image height | 1,633 px |
Date metadata was last modified | 16:41, 15 October 2014 |