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LEXLOTHOR — Cooperoceras texanus Model Stock
#cooperocerastexanus #cephalopods #fossils #invertebrate #nautiloid #paleontology #permian
Published: 2017-01-08 17:20:54 +0000 UTC; Views: 1087; Favourites: 15; Downloads: 11
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Description
More examples of my fossil photography can be seen in my DA "Paleo & Sci Illo" gallery:lexlothor.deviantart.com/galle…
Cooperoceras was a Lower Permian coiled nautiloid with distinctive hollow spines. This life sized model (c. 30 cm) is on display at the Museum of Ancient Life near Salt Lake City, Utah.
A brief description can be seen here:
en.wikipedia.org/wiki/Cooperoc…
text (c) John P. Alexander
I have eliminated the background on this photo so that the image may be used for educational and artistic purposes. Please inform me if you use this picture as stock.
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Comments: 4
What sort of body had this texanus,the model look so sweet like some pokemon,hehe...
From this angle looks beautiful, only I can't see how ends the point of the shell,how much to the point it goes and if it have there also 2 spikes?
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Cooperoceras has two parallel and symmetrical rows of spines running along the coil of the shell. They are aligned like the sprockets on a gear shaft. I am not a malacologist so I can only speculate that they had a defensive purpose.
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A lot of critters went in for spikiness in a big way back then.
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It is interesting to note that this taxon enveloped the spikes from its earlier life into its shell. The fact that the spikes reach a maximum size in midlife and then diminish in length is later stages of development indicates a slowdown of growth into a mature stage.
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