![](http://www.alamy.com/thumbs/6/57120B5D-3F2C-4AC0-B715-4BC26189A985/F01X9A.jpg)
Fossils - Deuterostomia - Echinodermata - Cystoidea - Holocystites scutellatus - Ordovician - North America.
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Photo credit: © De Agostini / G. Cigolini / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: animal, close-, crinoidea, deuterostomia, devonian, echinodermata, fossil, fossils, geochronology, geology, history, holocystites, horizontal, ordovician, palaeontology, palaeozoology, paleozoic, people, phanerozoic, prehistory, representation, rock, scutellatus, shot, studio, themes