File:Nautiloid cephalopod (Paleozoic) 2.jpg
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Size of this preview: 800 × 365 pixels. Other resolutions: 320 × 146 pixels | 640 × 292 pixels | 1,024 × 468 pixels | 1,280 × 584 pixels | 3,594 × 1,641 pixels.
Original file (3,594 × 1,641 pixels, file size: 5.62 MB, MIME type: image/jpeg)
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| Description |
English: This fossil is a straight-shelled nautiloid cephalopod - these creatures were relatively common components of Paleozoic oceans. A nautiloid is basically a squid-in-a-shell. Most species had straight, gently tapering shells, but some had loosely coiled or tightly coiled shells. The shells were mostly hollow, aragonitic, and had regularly-spaced internal walls. The entire group is represented in today's oceans by five living species of chambered nautilus, all of which have a coiled shell: Nautilus pompilius, Nautilus macromphalus, Nautilus stenomphalus, Nautilus belauensis, and Allonautilus scrobiculatus.
This material is derived from a Paleozoic quarry, probably in Ohio. Classification: Animalia, Mollusca, Cephalopoda, Nautiloidea Locality: foot-worn paver stone on the northern side of Marion Station, Marion, Ohio, USA |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/53200984770/ |
| Author | James St. John |
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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/53200984770. It was reviewed on 21 September 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:28, 21 September 2023 | | 3,594 × 1,641 (5.62 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/53200984770/ with UploadWizard |
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