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Carbondale Formation
Guangxi Province
and relatively short
The generic name refers to Marion Brandvold's discovery in 1978 of a nest with remains of eggshells and babies too large to be hatchlings
Pentacrinus subangularis, crinoids Styracosaurus Carbondale FormationCrinoids are assigned to the phylum Echinodermata, a group of radially symmetrical marine animals, such as the starfish, sea urchins, and brittle stars. Crinoids are commonly referred to as "sea lilies". These flower like marine invertebrate animals are beautifully colored and live as solitary individuals. This species is characterized by a globular body enclosed by a small calyx, from which freely moving arms extended upward to gather food. At the
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