Original file (4,288 × 2,848 pixels, file size: 6.07 MB, MIME type: image/jpeg)
Summary
DescriptionSeirocrinus subangularis (fossil Crinoid).jpg |
Seirocrinus subangularis (Miller, 1821) - fossil crinoid from the Jurassic of Germany. (CM 34210, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA) Crinoids (sea lilies) are sessile, benthic, filter-feeding, stalked echinoderms that are relatively common in the marine fossil record. Crinoids are also a living group, but are relatively uncommon in modern oceans. A crinoid is essentially a starfish-on-a-stick. The stick, or stem, is composed of numerous stacked columnals, like small poker chips. Stems and individual columnals are the most commonly encountered crinoid fossils in the field. Classification: Animalia, Echinodermata, Crinoidea, Articulata, Isocrinida, Pentacrinitidae Stratigraphy: Holzmaden Lagerstätte, Posidonia Shale, Toarcian Stage, upper Lower Jurassic Locality: unrecorded/undisclosed site at or near the town of Holzmaden, southwestern Germany |
Date | |
Source | Seirocrinus subangularis (fossil crinoid) (Posidonia Shale, Lower Jurassic; Holzmaden area, Germany) 3 |
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@N05/34966642214 (archive). It was reviewed on 19 August 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
19 August 2018
Items portrayed in this file
depicts
creator
some value
copyright status
copyrighted
copyright license
Creative Commons Attribution 2.0 Generic
inception
17 November 2012
source of file
file available on the internet
captured with
Nikon D90
exposure time
0.01666666666666666666 second
f-number
4.8
focal length
42 millimetre
ISO speed
400
media type
image/jpeg
instance of
photograph
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 12:00, 19 August 2018 | 4,288 × 2,848 (6.07 MB) | Hogwarts Portal | Transferred from Flickr via #flickr2commons |
File usage
Global file usage
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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 |
---|---|
Camera model | NIKON D90 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/4.8 |
ISO speed rating | 400 |
Date and time of data generation | 13:52, 17 November 2012 |
Lens focal length | 42 mm |
Width | 4,288 px |
Height | 2,848 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 13.0 (Macintosh) |
File change date and time | 22:14, 8 July 2017 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 13:52, 17 November 2012 |
Meaning of each component |
|
Image compression mode | 4 |
Shutter speed | 5.906891 |
APEX aperture | 4.526069 |
Exposure bias | 0 |
Maximum land aperture | 4.5 APEX (f/4.76) |
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 | 63 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
GPS tag version | 2.2.0.0 |
Serial number of camera | 3562538 |
Lens used | 18.0-270.0 mm f/3.5-6.3 |
Date metadata was last modified | 18:14, 8 July 2017 |
Unique ID of original document | E291C797871C411C21D99AC276385A10 |
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