File:Archeocyathids.JPG
Summary
From the <a href="https://en.wikipedia.org/wiki/Poleta_formation" class="extiw" title="en:Poleta formation">Poleta formation</a>, lower <a href="https://en.wikipedia.org/wiki/Cambrian" class="extiw" title="en:Cambrian">Cambrian</a> of eastern <a href="https://en.wikipedia.org/wiki/California" class="extiw" title="en:California">California</a>, a fossil <a href="https://en.wikipedia.org/wiki/reef" class="extiw" title="en:reef">reef</a> of <a href="https://en.wikipedia.org/wiki/Archaeocyathid" class="extiw" title="en:Archaeocyathid">Archaeocyathids</a>. Because of the <a href="https://en.wikipedia.org/wiki/paraboloid" class="extiw" title="en:paraboloid">paraboloid</a> nature of the animal, <a href="https://en.wikipedia.org/wiki/fossil" class="extiw" title="en:fossil">fossils</a> of it in cross section (for example, on a rock face), produce <a href="https://en.wikipedia.org/wiki/conic_section" class="extiw" title="en:conic section">conic sections</a>.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:54, 4 January 2017 | | 3,648 × 2,736 (3.1 MB) | 127.0.0.1 (talk) | From the <a href="https://en.wikipedia.org/wiki/Poleta_formation" class="extiw" title="en:Poleta formation">Poleta formation</a>, lower <a href="https://en.wikipedia.org/wiki/Cambrian" class="extiw" title="en:Cambrian">Cambrian</a> of eastern <a href="https://en.wikipedia.org/wiki/California" class="extiw" title="en:California">California</a>, a fossil <a href="https://en.wikipedia.org/wiki/reef" class="extiw" title="en:reef">reef</a> of <a href="https://en.wikipedia.org/wiki/Archaeocyathid" class="extiw" title="en:Archaeocyathid">Archaeocyathids</a>. Because of the <a href="https://en.wikipedia.org/wiki/paraboloid" class="extiw" title="en:paraboloid">paraboloid</a> nature of the animal, <a href="https://en.wikipedia.org/wiki/fossil" class="extiw" title="en:fossil">fossils</a> of it in cross section (for example, on a rock face), produce <a href="https://en.wikipedia.org/wiki/conic_section" class="extiw" title="en:conic section">conic sections</a>. |
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