File:Eutrephoceras sp. (fossil nautiloid).jpg
![File:Eutrephoceras sp. (fossil nautiloid).jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Eutrephoceras_sp._%28fossil_nautiloid%29.jpg/800px-Eutrephoceras_sp._%28fossil_nautiloid%29.jpg)
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Summary
DescriptionEutrephoceras sp. (fossil nautiloid).jpg |
(public display, Cincinnati Museum of Natural History & Science, Cincinnati, Ohio, USA) Nautiloids are squids-in-shells. In the Paleozoic, many forms had a straight shell, but some had loosely coiled or tightly coiled shells. Nautiloids are still alive today, but only represented by a small number of species in modern oceans - all have tightly coiled shells. Seen here is Eutrephoceras, an extinct nautiloid with a tightly coiled shell. This genus existed from the Mesozoic to the Tertiary. Classification: Animalia, Mollusca, Cephalopoda, Nautiloidea, Nautilida, Nautilidae Stratigraphy: unrecorded / undisclosed Locality: unrecorded / undisclosed Info. at: <a href="https://en.wikipedia.org/wiki/Eutrephoceras" rel="noreferrer nofollow">en.wikipedia.org/wiki/Eutrephoceras</a> |
Date | |
Source | Eutrephoceras sp. (fossil nautiloid) 2 |
Author | James St. John |
Licensing
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/53537347057. It was reviewed on 26 February 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
26 February 2024
Captions
Items portrayed in this file
depicts
some value
0.01666666666666666666 second
5.3
82 millimetre
200
image/jpeg
21 March 2007
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:27, 26 February 2024 | ![]() | 2,286 × 1,603 (2.35 MB) | FunkMonk | Transferred from Flickr via #flickr2commons |
File usage
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D70s |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/5.3 |
ISO speed rating | 200 |
Date and time of data generation | 12:03, 21 March 2007 |
Lens focal length | 82 mm |
Width | 3,008 px |
Height | 2,000 px |
Bits per component |
|
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop Elements 18.0 (Macintosh) |
File change date and time | 23:47, 18 February 2024 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 12:03, 21 March 2007 |
Meaning of each component |
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Image compression mode | 4 |
Shutter speed | 5.906891 |
APEX aperture | 4.811985 |
Exposure bias | 0 |
Maximum land aperture | 4.7 APEX (f/5.1) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, strobe return light detected, auto mode |
DateTime subseconds | 10 |
DateTimeOriginal subseconds | 10 |
DateTimeDigitized subseconds | 10 |
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 | 123 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Soft |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Serial number of camera | 1004a0cc |
Lens used | 18.0-200.0 mm f/3.5-5.6 |
Date metadata was last modified | 18:47, 18 February 2024 |
Unique ID of original document | D97A256F93C96475AAB4125045B0BD19 |