Biology:Bothriocidaris
From HandWiki
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.

References
- 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
Wikidata ☰ Q4948666 entry
