Best of the Echinoblog: The Sea Urchin Scene!

The moving of my office and etc. has been a huge time sink..and so, here is another "Best of the Echinoblog" this time around: SEA URCHINS!

I will have new good stuff next week!

The mystery of Dermechinus horridus

(Thanks to Dave Pawson, NMNH and NIWA for this image)

A trick or treat ??? from 2008 Halloween!

Sea Urchins ARE... perhaps the most heavily studied of echinoderms.. Read a quick survey here...The Tenacious Indo-Pacific Shingle Urchin! Holding on in a Rough World!
What are the holes in Sand Dollars for?? And What about Weight Belts???
How Long Can Sea Urchins Live?? The answer will surprise you.

Is the Jaw REALLY called Aristotle's Lantern??

Sea Urchins are also seen in ARCHAEOLOGY!!! Go here. and HERE.

Cidaroid (echinoid) Vs. Crinoid (stalked!): Sea Urchin ATTACK!!

(Image courtesy of Dave Pawson, NMNH)