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Showing results for tags 'feather star'.
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An unusually complete specimen although crowns are well known from this location. It has a very short stem consisting of only six or seven columnals, all of which bear cirri. Once thought to be an early comatulid, it is now thought to belong to a separate lineage of nearly stemless pentacrinitids (Hess 2014). References: Simms, M.J. 1989. British Lower Jurassic Crinoids. Monograph of the Palaeontographical Society, London:1-103, pls.1-15 (No. 581) Hess, H. 2014 Origin and radiation of the comatulids (Crinoidea) in the Jurassic. Swiss J Palaeontol 133, 23–34 Hess 2014 Origin…comatulids This was Invertebrate/Plant Fossil of the Month March 2015
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The names Pterocoma or Antedon doesn't seem to be valid anymore. References: G. Dietl and G. Schweigert (2011). Im Reich der Meerengel. Der Nusplinger Plattenkalk und seine Fossilien. [W. Kiessling/M. Krause/M. Krause]
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Has vertical stacks of cirri scars.
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First described crinoid from North Carolina. It is one of the more common and easy to identify.
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Not very common.
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One of the more widespread of the Eocene comatulids. This species is found in several Southeastern and Gulf states.
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One of the smaller comatulids from the Castle Hayne Formation. Has an irregular outline.
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