Pleurocystites
Pleurocystites (meaning rib bag or side bladder) is a genus of rhombiferan echinoderm (a cystoid) that lived in the Late Ordovician. Its fossils are known from Europe and North America. Pleurocystites grew to a height of 2 centimeters (3/4 of an inch) and fed on plankton.
| Pleurocystites Temporal range: | |
|---|---|
 | |
| Pleurocystites squamosus | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | †Rhombifera |
| Order: | †Dichoporita |
| Family: | †Pleurocystitidae |
| Genus: | †Pleurocystites |
Sources
- Fossils (Smithsonian Handbooks) by David Ward (Page 191)
- Parker, Steve. Dinosaurus: the complete guide to dinosaurs. Firefly Books Inc, 2003. Pg. 75
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