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Protremaster, a new Lower Jurassic genus of asteroid from Antarctica

  • Andrew B. Smith (a1) and T. H. Tranter (a2)

A new and well-preserved.asteroid, Protremaster uniserialis (gen. & sp.nov.) is described from the Lower Jurassic (Sinemurian) of Antarctica. This find extends the fossil record of the family Asterinidae and the subfamily Tremasterinae considerably and lends support to the idea that asteroids underwent an important morphological diversification in the late Triassic-early Jurassic.

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J. E. Gray 1840. A synopsis of the genera and species of the class Hypostoma (Asterias Linn.). Annals and Magazine of Natural History 6, 175–84, 275–90.

D. G. Mcknight 1975. Classification of somasteroids and asteroids (Asterozoa: Echinodermata). Journal of the Royal Society of New Zealand 5, 1319.

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Geological Magazine
  • ISSN: 0016-7568
  • EISSN: 1469-5081
  • URL: /core/journals/geological-magazine
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