tag:blogger.com,1999:blog-1953405279736337089.post6160285690165631867..comments2024-03-26T18:57:05.676-06:00Comments on The Coastal Paleontologist: Mystery Pleistocene bonesRobert Boesseneckerhttp://www.blogger.com/profile/04157434108254005433noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-1953405279736337089.post-36980167748511670232010-03-29T22:25:48.880-06:002010-03-29T22:25:48.880-06:00Oddly enough, I visited the locality over spring b...Oddly enough, I visited the locality over spring break, and found one that was very well preserved, and it had that sort of 'flaky' texture typical of fish bones.<br /><br />I never seriously thought these had anything to do with sea turtles, especially given the Pleistocene age (and occurrence in the Pacific NW).<br /><br />RE: tilly bones, I'm basically SOL, because I hate bony fish, with a passion. So - someone who wants to work on the bony fish of this deposit can do it. I want some good, clean marine mammal materialRobert Boesseneckerhttps://www.blogger.com/profile/04157434108254005433noreply@blogger.comtag:blogger.com,1999:blog-1953405279736337089.post-82756753597177253112010-03-22T12:45:33.657-06:002010-03-22T12:45:33.657-06:00We have zillions of these from Carmel Church (well...We have zillions of these from Carmel Church (well, OK, not zillions, but certainly hundreds). There seems to be a variety of morphologies, but I don't know the significance of that.Alton Dooleyhttp://www.paleolab.orgnoreply@blogger.comtag:blogger.com,1999:blog-1953405279736337089.post-41611151085035373082010-03-21T09:11:32.169-06:002010-03-21T09:11:32.169-06:00Hi Robert,
You should indeed be skeptical about t...Hi Robert,<br /><br />You should indeed be skeptical about their original id, marine turtle fingerbones are very slim and elongated as well as flattened (same as with other marine critters). Brian's id of Tilly bones is more likely.J. Velez-Juarbehttps://www.blogger.com/profile/13939389115952799046noreply@blogger.comtag:blogger.com,1999:blog-1953405279736337089.post-77666597743792899742010-03-14T14:05:00.309-06:002010-03-14T14:05:00.309-06:00Hi Bobby,
Those look like what are known as "...Hi Bobby,<br />Those look like what are known as "Tilly bones", which are unusual thickenings of the vertebrae and/or spines common to some teleost fishes. The oldest ones I know of are from Miocene deposits of FL, though I wouldn't be surprised if they are found in older fishes too. No one knows what causes it, but some fishes have it more than others. A nice study of it in modern teleosts was done in 1995, by Smith-Vaniz et al.<br />http://www.springerlink.com/content/u672g115u61j3pk8/Brian Lee Beattyhttps://www.blogger.com/profile/09964393108719483799noreply@blogger.com