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As far as I know it is just a theorie that Thaumaptilon could be a sea pen. Antcliffe & Brasier (2007) say that sea pens have "no undisputed fossil record until the Jurassic". -- Jadeginkgo ( talk) 17:13, 6 January 2012 (UTC)
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level-5 vital article is rated Start-class on Wikipedia's
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As far as I know it is just a theorie that Thaumaptilon could be a sea pen. Antcliffe & Brasier (2007) say that sea pens have "no undisputed fossil record until the Jurassic". -- Jadeginkgo ( talk) 17:13, 6 January 2012 (UTC)