tag:blogger.com,1999:blog-3433304117507034540.post735583452740869211..comments2024-03-27T10:06:07.100-07:00Comments on The Echinoblog: The 27 Best Deep-Sea Species #10: Echinothurioid Sea UrchinsChrisMhttp://www.blogger.com/profile/11784970666468925633noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-3433304117507034540.post-67327367062344510842008-10-23T22:40:00.000-07:002008-10-23T22:40:00.000-07:00Its interesting..but I think that ALL echinothroid...Its interesting..but I think that ALL echinothroids have a relatively weakly decalcified skeleton-because the tropical Indo-Pacific ones are kinda soft also..But I should check..ChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-23248248192941457092008-10-23T17:46:00.000-07:002008-10-23T17:46:00.000-07:00I thought the hoofed spines were cool, but I becam...I thought the hoofed spines were cool, but I became a believer with pancake urchins! Do they live below the calcium compensation depth, so it is energetically very difficult to maintain a calcium exoskeleton?<BR/><BR/>Oh, and the whole fossil before alive thing. Way cool!Kevin Zelniohttps://www.blogger.com/profile/14192385384151149566noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-28685218388172223772008-10-23T05:31:00.000-07:002008-10-23T05:31:00.000-07:00The deep-sea ones are widely distributed-Indian, A...The deep-sea ones are widely distributed-Indian, Atlantic, Pacific..don't think I've seen shallow Antarctic or Arctic-but certainly subAntarctic/deep-sea. The shallow, tropical ones are strictly Indo-Pacific tho'ChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-62861521322414391532008-10-22T19:34:00.000-07:002008-10-22T19:34:00.000-07:00Awesome. Never seen anything like it. What's their...Awesome. Never seen anything like it. What's their geographic range?Anonymousnoreply@blogger.com