![](http://www.alamy.com/thumbs/6/10C7CDC8-ADE8-4EA9-A5F4-E0EEC436A973/F01X9D.jpg)
Fossils - Deuterostomia - Echinodermata - Holothuroidea - Achistrum welleri - Carboniferous.
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Photo credit: © De Agostini / G. Cigolini / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: achistrum, animal, carboniferous, close-, crinoidea, deuterostomia, echinodermata, fossil, fossils, geochronology, geology, history, horizontal, palaeontology, palaeozoology, paleozoic, people, phanerozoic, prehistory, rock, shot, studio, themes, welleri