Bothriocidaris is an extinct genus of echinoid from the Ordovician. It grew to 1.6 centimetres (0.63 in) in size[1] and fed on plankton.
Bothriocidaris Temporal range:
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Genus: | Bothriocidaris Eichwald, 1860
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![](http://upload.luquay.com/wikipedia/commons/thumb/8/89/Britannica_Echinoderma_5.jpg/400px-Britannica_Echinoderma_5.jpg)
References
edit- Dinosaurs to Dodos: An Encyclopedia of Extinct Animals by Don Lessem and Jan Sovak
- Parker, Steve. Dinosaurus: the complete guide to dinosaurs. Firefly Books Inc, 2003. Pg. 55