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Showing results for tags 'alga'.
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I don't know if any of you caught this article in Eurekalert or elsewhere. A Niobrara formation fossil found 70 years ago was studied by isolated experts over time. It was first identified as an algae, then a cephalopod, and now as a cartilaginous fish! Ah, the Internet makes it so much easier now... https://www.eurekalert.org/pub_releases/2018-04/amon-faa041618.php
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Alga which present a very regular honeycomb pattern that fix itself on limestone or shells. This one is fixed on a gasteropod shell. The actual alga of the same family is of the Genus Bornetella. Lit.: Antonietta Cherchi Cagliari, Rolf Schroeder (1993): Nouvelles observations sur Goniolina hexagona d’Orbigny Algue Dasycladale du Kimméridgien. Paläontologische Zeitschrift, 67, Issue 3-4, pp 239–244
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Northwestern Mexico. I found this between a bunch of scattered rounded rocks. Is it mineral pattern or biological? http://imgur.com/Y8gUgAb http://imgur.com/13tHqnh http://imgur.com/c0TiaaB http://imgur.com/1lgRuwz http://imgur.com/MYswynK http://imgur.com/sXECyfZ http://imgur.com/5LlME1i http://imgur.com/LfqT50d http://imgur.com/nxJuT56 http://imgur.com/clCnKlH http://imgur.com/x2LSBAx http://imgur.com/GArJmvB http://imgur.com/zZ5Hphi http://imgur.com/hz0coEB http://imgur.com/HHQF3oZ http://imgur.com/0qphjps http://imgur.com/15yag7h