File:Polygyrid land snail (Rock Cut, Muskingum County, Ohio, USA) 2 (34051318332).jpg
![File:Polygyrid land snail (Rock Cut, Muskingum County, Ohio, USA) 2 (34051318332).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Polygyrid_land_snail_%28Rock_Cut%2C_Muskingum_County%2C_Ohio%2C_USA%29_2_%2834051318332%29.jpg/800px-Polygyrid_land_snail_%28Rock_Cut%2C_Muskingum_County%2C_Ohio%2C_USA%29_2_%2834051318332%29.jpg?20191022035521)
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Summary
[edit]DescriptionPolygyrid land snail (Rock Cut, Muskingum County, Ohio, USA) 2 (34051318332).jpg |
The gastropods (snails & slugs) are a group of molluscs that occupy marine, freshwater, and terrestrial environments. Most gastropods have a calcareous external shell (the snails). Some lack a shell completely, or have reduced internal shells (the slugs & sea slugs & pteropods). Most members of the Gastropoda are marine. Most marine snails are herbivores (algae grazers) or predators/carnivores. The shell shown above is a living polygyrid land snail - possibly Mesodon. Polygyrids are a group of pulmonates, which are air-breathing terrestrial gastropods. Some pulmonates lack external coiled shells - the slugs. Others have the same type of coiled, calcareous shell as freshwater and marine snails. Classification: Animalia, Mollusca, Gastropoda, Pulmonata, Polygyridae Locality: next to a Boggs Member outcrop at Rock Cut railroad cut, along Ohio Central Railroad tracks, ~southwest of Copeland Island & south-southeast of the town of Dresden, northern Muskingum County, eastern Ohio, USA (~~vicinity of 40° 04’ 24.41” North latitude, 81° 59’ 11.25” West longitude) More info. at: <a href="https://en.wikipedia.org/wiki/Polygyridae" rel="nofollow">en.wikipedia.org/wiki/Polygyridae</a> |
Date | |
Source | Polygyrid land snail (Rock Cut, Muskingum County, Ohio, USA) 2 |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/34051318332 (archive). It was reviewed on 22 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
22 October 2019
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current | 03:55, 22 October 2019 | ![]() | 2,241 × 1,401 (1.91 MB) | Rudolphous (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/9 |
ISO speed rating | 80 |
Date and time of data generation | 12:30, 15 April 2017 |
Lens focal length | 7.23 mm |
Image title | |
Width | 4,000 px |
Height | 3,000 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 22:21, 22 April 2017 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 12:30, 15 April 2017 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 5.90625 |
APEX aperture | 6.34375 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 3.34375 APEX (f/3.19) |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
Focal plane Y resolution | 16,483.516483516 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Portrait |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 18:21, 22 April 2017 |
Unique ID of original document | FD936283971B4CC95ED12257FBF05900 |
IIM version | 1 |