Bothriocidaris

Bothriocidaris (meaning best furrow or best trench) is an extinct genus of echinoid from the Ordovician. It grew to 6 inches (150 mm) in size and fed on plankton.

Bothriocidaris globulus. from the Encyclopædia Britannica, 1911. The short spines which were attached to the tubercles are not drawn.

Bothriocidaris
Temporal range: Ordovician
Scientific classification
Kingdom:
Animalia
Phylum:
Echinodermata
Class:
Echinoidea
Order:
Bothriocidaroida
Family:
Bothriocidaridae
Genus:
Bothriocidaris

Eichwald, 1860

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


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