SINCE 1828
Bothriocidaris
noun
Both·rio·cid·a·ris
| \ -ˈsidərə̇s\
Definition of Bothriocidaris
: a genus (coextensive with the family Bothriocidaridae and order Bothriocidaroida) of extinct primitive simple sea urchins that somewhat resemble Cystoidea and are known from the Ordovician of the Russo-Baltic area
Keep scrolling for more
Comments on Bothriocidaris
What made you want to look up Bothriocidaris? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Name That Thing: Animal Edition
-
- Name that animal:
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Name That Thing: Animal Edition
How many animals can you identify?
Take the quiz -
The Exceptions Quiz
One of these things is not like the others.
Take the quiz -
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Take the quiz -
Citation
Do you know the person or title these quotes describe?
Play the game
Share Bothriocidaris
Resources for Bothriocidaris