tag:blogger.com,1999:blog-3433304117507034540.post346077327232764926..comments2024-01-27T05:20:35.844-08:00Comments on The Echinoblog: Sand Dollars ARE Sea Urchins. Please make a note of it!ChrisMhttp://www.blogger.com/profile/11784970666468925633noreply@blogger.comBlogger73125tag:blogger.com,1999:blog-3433304117507034540.post-68559306535630519432023-06-11T10:26:03.131-07:002023-06-11T10:26:03.131-07:00You are quite welcome! thank you! You are quite welcome! thank you! ChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-14824378625179721032023-06-11T09:59:43.657-07:002023-06-11T09:59:43.657-07:00Thanks so much Chris! I’m 77 and just learning ab...Thanks so much Chris! I’m 77 and just learning about these magical creatures. I will pass this along to my kids so these beauties become more than collection pieces. It is fascinating to understand and value the endoskelaton.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-40982156607949815112022-01-26T15:27:08.727-08:002022-01-26T15:27:08.727-08:00Thank you. That was very interesting and informati...Thank you. That was very interesting and informative.<br />Anonymoushttps://www.blogger.com/profile/13663357290955055112noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-54459817570970727442020-08-27T12:20:04.289-07:002020-08-27T12:20:04.289-07:00We found a lot of Sand Dollars in Ft Myers Beach a...We found a lot of Sand Dollars in Ft Myers Beach and our hands were stained yellow also. I had never experienced this before. Would be interested to find out why this happens also.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-73118109714868245242019-10-29T11:38:53.769-07:002019-10-29T11:38:53.769-07:00I have gray sand dollars? with no holes. Is it a ...I have gray sand dollars? with no holes. Is it a sand dollar. It does have the star marking on the topAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-82705538969633706262018-10-30T10:53:29.571-07:002018-10-30T10:53:29.571-07:00there are many sources..but I'm not sure how m...there are many sources..but I'm not sure how many are present in an easy to read format. will need to check..ChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-64952046008415293762018-10-30T10:45:00.323-07:002018-10-30T10:45:00.323-07:00Excellent information! I have a recent obsession w...Excellent information! I have a recent obsession with sand dollars! It is so difficult to find reliable information on them! Thank you. I have read that there are 29 living species from around the world, but I cannot find a list of them anywhere. Do you have a good resource? Love your blog and than you for the good info!Anonymoushttps://www.blogger.com/profile/12466660758989600155noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-55463651106449293112018-09-23T05:00:10.160-07:002018-09-23T05:00:10.160-07:00 I dint see you mention they are Located all so o... I dint see you mention they are Located all so on the east coast of Canada <br />Like in the Bay Of Fundy, I always find many sand dollars there.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-44232156688727447112018-07-29T22:18:10.020-07:002018-07-29T22:18:10.020-07:00This comment has been removed by a blog administrator.Anonymoushttps://www.blogger.com/profile/17715080675209733255noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-72475111442246395522017-08-19T23:31:31.958-07:002017-08-19T23:31:31.958-07:00Chris. I'm a 4th year sociology student in Can...Chris. I'm a 4th year sociology student in Canada. I think I understand everything politics/society. I would love to email you. I've found a new interest in sea erchrins.Anonymoushttps://www.blogger.com/profile/06375534305009694094noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-3409944042380058932017-07-05T20:43:25.897-07:002017-07-05T20:43:25.897-07:00I assume you mean by humans? And so I would say mo...I assume you mean by humans? And so I would say mostly not. Sand dollar body structure is primarily skeleton and spines. I suppose its possible that someone might have developed a taste for the uni (gonads) the way other sea urchins are eaten but that has yet to be demonstrated as anything more than a chance irregularity.<br /><br />interesting question. thanks!ChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-32803307058297279952017-07-04T06:06:24.132-07:002017-07-04T06:06:24.132-07:00Are sand dollars edible?Are sand dollars edible?Anonymoushttps://www.blogger.com/profile/01615714661720553106noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-64684704671911051702017-06-13T19:45:05.782-07:002017-06-13T19:45:05.782-07:00Thanks Chris for a very informative blog which is ...Thanks Chris for a very informative blog which is still attracting comments 5 years on. I had never seen these sand dollars before until today. I found a heap of endoskeletons on horseshoe bay beach on magnetic island on the great barrier reef, off the coast from Townsville,QLD, Australia.These ones are 'penta' shaped and seem to have an a mix of regular and irregular features... which I guess makes then irregular... thnxTHBhttps://www.blogger.com/profile/14932606376197442359noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-71740387493438364522017-05-21T07:14:25.734-07:002017-05-21T07:14:25.734-07:00hi,
Its not clear exactly where you are locates...hi,<br /> Its not clear exactly where you are locatesd but you might be able to get some assistance from a paleontology or geology department at your local university or natural history museum. There are also several facebook groups which have citizen scientist/amateur fossil hobbyists. <br /><br />good luck!<br />ChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-38548253089195287332017-05-21T03:22:29.077-07:002017-05-21T03:22:29.077-07:00Hi I was wondering where I could get my fossil sa...Hi I was wondering where I could get my fossil sand dollar identified? I found this fossil 50 years ago in South Australia. I am leaning towards a cassiduioios from the information you have supplied.<br />Sassynoreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-63686207057507116902016-12-31T15:27:25.037-08:002016-12-31T15:27:25.037-08:00To the best of my knowledge, no sand dollars are k...To the best of my knowledge, no sand dollars are known to be poisonous.ChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-17444307029815907402016-12-31T13:11:07.283-08:002016-12-31T13:11:07.283-08:00Are they poisonousAre they poisonousAnonymoushttps://www.blogger.com/profile/10789815325658244779noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-63784277451206105382016-11-18T18:09:50.325-08:002016-11-18T18:09:50.325-08:00Please check my post about them from awhile back: ...Please check my post about them from awhile back: http://echinoblog.blogspot.fr/2014/07/rotulid-sand-dollars-weird-mysterious.htmlChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-16447651261977315962016-11-18T17:38:20.506-08:002016-11-18T17:38:20.506-08:00I have a few sand dollars found in Ghana, Africa. ...I have a few sand dollars found in Ghana, Africa. They are a turquoise color and have many indentations along one side. I've identified as Rotulidae, can you tell me about them? Anonymoushttps://www.blogger.com/profile/04673560378193021942noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-26310966088054056142016-11-01T08:59:09.129-07:002016-11-01T08:59:09.129-07:00They don't have any well developed neural cent...They don't have any well developed neural centers (i.e. no brain) and aren't known to be behaviorally complex. Most of their behavior is pretty much dictated by their basic functions-eat. spawn, etc. They can sense food in the water with strong chemoreception and presumably do the same with predators. <br /><br />thanks for your questions! ChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-54719835333786380382016-11-01T03:19:14.612-07:002016-11-01T03:19:14.612-07:00This is a great post, thanx!
So, my question for ...This is a great post, thanx!<br /><br />So, my question for the day is: how do they think? Do they have some sort of brain? Like, how do they know to dig in the sand to avoid predators? Do they recognize predators when they're nearby? If so, how? Smell? Sound?<br /><br />I'm really intrigued by these guys, having found literally scores of them, all diff. sizes, this year on the shores of Coronado.<br /><br />Thanx in advance for any info.<br /><br />BeachComberBuffAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-52727469105059457752016-10-14T13:26:23.432-07:002016-10-14T13:26:23.432-07:00I read on another sight that the yellow coloration...I read on another sight that the yellow coloration left on your fingers is confirmation that the sand dollar is alive. Apparently not an unusual occurance.Connienoreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-39033947488556979842016-10-12T18:36:45.392-07:002016-10-12T18:36:45.392-07:00i was in Cuba the other day when i came across a s...i was in Cuba the other day when i came across a sea biscuit...it is 4x5 didnt know what it was thought it was a fat sand dollar.Is this considered large?<br /> <br /><br /><br /><br /><br />Anonymoushttps://www.blogger.com/profile/17893095042328499626noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-8957582546522805922016-09-18T02:16:04.911-07:002016-09-18T02:16:04.911-07:00Imagine you were a grain of sand, it'd be pret...Imagine you were a grain of sand, it'd be pretty damn scary.... Nuff said....Anonymoushttps://www.blogger.com/profile/14319128790965324469noreply@blogger.comtag:blogger.com,1999:blog-3433304117507034540.post-79267354497395264422016-09-03T19:05:19.429-07:002016-09-03T19:05:19.429-07:00So long as you find the skeletons white and missin...So long as you find the skeletons white and missing all of the spines they should be fine. Living urchins, including sea urchins, still have all their spines attached. Sand dollars would still have a "fuzzy" feeling to them rather than being smooth. ChrisMhttps://www.blogger.com/profile/11784970666468925633noreply@blogger.com