File:Argonauta hians (brown paper nautilus eggcase).jpg
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| Description |
English: Argonauta hians Lightfoot, 1786 - brown paper nautilus (public display, Bailey-Matthews Shell Museum, Sanibel Island, Florida, USA)
The shell shown above is an eggcase from a winged argonaut octopus. It is thin-shelled and planispirally coiled. The morphology is similar to the external shell of the chambered nautilus in modern oceans and fossil ammonites, which were common in Mesozoic oceans. (www.flickr.com/photos/jsjgeology/21726189464/in/album-721...) (www.flickr.com/photos/jsjgeology/albums/72157647614386455) The common paper nautilus is part of the South African Province: "The huge waves and cool waters of South Africa have produced a molluscan fauna dominated along its rocky shores by large limpets and abalones. Its beaches are often strewn with colorful, offshore cones, trochids and volutes. At certain seasons the cast-off egg-cradles of three species of paper nautiluses are found abundantly on some beaches." [info. from museum signage] Classification: Animalia, Mollusca, Cephalopoda, Octopoda, Argonautidae Locality: unrecorded/undisclosed/unspecified More info. at: en.wikipedia.org/wiki/Argonauta_hians |
| Date | |
| Source | https://www.flickr.com/photos/jsjgeology/24760231752/ |
| 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@N05/24760231752. It was reviewed on 31 May 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 18:15, 31 May 2024 | | 2,947 × 2,148 (3.35 MB) | Mário NET (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/jsjgeology/24760231752/ with UploadWizard |
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