description Bothriocidaris Overview
Bothriocidaris is an extinct genus of sea urchin known from Ordovician marine rocks. It represents one of the earliest recognized echinoid lineages and provides evidence for the early diversification of the group during the Paleozoic Era. The genus is studied mainly by paleontologists investigating echinoid origins, early marine ecosystems, and the fossil history of echinoderms.
help Bothriocidaris FAQ
What kind of fossil was Bothriocidaris?
Bothriocidaris was an extinct genus of primitive sea urchin known from Ordovician marine rocks. It belongs to the echinoids, the same broad group that includes modern sea urchins.
When did Bothriocidaris live?
The genus lived during the Ordovician Period, more than 440 million years ago. That makes it important for studying the early Paleozoic diversification of echinoids.
Why is Bothriocidaris important to paleontologists?
It represents one of the earliest recognized echinoid lineages and helps researchers investigate how sea-urchin body plans developed. Fossil plates and tests provide evidence about early echinoderm anatomy and relationships.
Where have Bothriocidaris fossils been found?
Bothriocidaris is associated with Ordovician marine deposits, including material from the Russo-Baltic region and other fossil localities. Because it lived in the sea, its remains are studied in rocks formed from ancient marine environments.
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