Paleonet: fossil worm tubes

Thomas Devries tomdevrie at aol.com
Sun Jan 15 17:24:30 GMT 2017


Dear Elisa,

Look into the polychaete genus, <i>Gunnarea</i>. Polychaete colonies like that you show occur in middle Miocene deposits of the East Pisco Basin, some blocks at Corre Viento with diameters of nearly one meter; upper Miocene and Pliocene in the same basin; small reefal complexes in the Plio-Pleistocene Taime Formation in the Talara Basin of northern Peru (see Devries, 1986, Ohio State dissertation; find it at piscobasin.wordpress.com in the library of PDFs), and on modern Peruvian beaches. Abraded blocks occur in Miocene transgressive lags of the PIsco Basin. The shape of the tubes may have taxonomic significance or simply reflect growth conditions. Tom DeVries

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-----Original Message-----
From: Elisa Malinverno <elisa.malinverno at unimib.it>
To: paleonet <paleonet at nhm.ac.uk>
Sent: Sun, Jan 15, 2017 12:04 AM
Subject: Re: Paleonet: fossil worm tubes



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    Hi, can anyone help me with these small tubes?

    Thank you in advance

    Elisa
Il 12/01/2017 17:21, Bruno Granier ha
      scritto:

    <blockquote cite="about:blank">
      

      Hi,
      

      I first thought of Renalcis Vologdin, 1932 ... now I am convinced
      it is Aphralysia Garwood, 1914
      

      =)
      

      

      

      

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    <div class="aolmail_moz-signature">-- 

      _________________________________________

      =^..^= =^..^= =^..^= =^..^= =^..^= 

      Dr. Elisa Malinverno (PhD) - Researcher 

      <a target="_blank" rel="noopener noreferrer" href="http://www.unimib.it/go/2147468355/Home/Italiano/Elenco-Docenti/MALINVERNO-ELISA-dipartimento-di-scienze-dellambiente-e-del-territorio-e-di-scienze-della-terra">
        Elisa Malinverno </a>

      Department of Earth and Environmental Sciences 

      University of Milano-Bicocca 

      Piazza della Scienza, 4 - 20126 Milano 

      Phone +39 02 6448 2087 

      Fax +39 02 6448 2073
  

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