Kara Posted November 11, 2016 Share Posted November 11, 2016 Hello from Finland! Please help me identify this small (3 cm) limestone fossil from the sea shore. Best regards, Kara Link to comment Share on other sites More sharing options...
Fossildude19 Posted November 11, 2016 Share Posted November 11, 2016 Hello, and Welcome to the Forum. It appears to be some sort of coral. Not my strong point, I'm afraid. Maybe @TqB will have some ideas. Welcome again. Regards, 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
Ludwigia Posted November 11, 2016 Share Posted November 11, 2016 I'd go with coral as well, but I can't say anything more detailed about it. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Kara Posted November 11, 2016 Author Share Posted November 11, 2016 Thank you very much! I was thinking of a Porifera sponge and a friend of mine was thinking of an Echinodermata sea urchin. There are no corals in these icy cold waters, but it could be possible if this is very old. Link to comment Share on other sites More sharing options...
TqB Posted November 11, 2016 Share Posted November 11, 2016 Thanks for the heads up, Tim, but I don't know much about Finnish ones. I agree it's a coral and my first guess is that it's Silurian - Kodonophyllum truncatum is a possibility and occurs on Gotland if that's relevant... 3 1 Tarquin Link to comment Share on other sites More sharing options...
Kara Posted November 11, 2016 Author Share Posted November 11, 2016 Thank you very very very much! Link to comment Share on other sites More sharing options...
doushantuo Posted November 11, 2016 Share Posted November 11, 2016 VERY relevant,Kodonophyllum is often found as an erratic Stumm,Oliver,USGS,need i say more Great names in paleozoic coral taxonomy of the USA https://pubs.usgs.gov/pp/0430/report.pdf And don't worry,Kodonoph. is in there 5 Link to comment Share on other sites More sharing options...
DNF Posted November 11, 2016 Share Posted November 11, 2016 5 hours ago, TqB said: I agree it's a coral and my first guess is that it's Silurian - Kodonophyllum truncatum is a possibility and occurs on Gotland if that's relevant... I think I might have a mold of this which, sadly, I left at work and can't post a pic of until monday. would kodonophyllum fit with Devonian? The one time I don't bring my finds home Link to comment Share on other sites More sharing options...
TqB Posted November 11, 2016 Share Posted November 11, 2016 19 minutes ago, DNF said: I think I might have a mold of this which, sadly, I left at work and can't post a pic of until monday. would kodonophyllum fit with Devonian? The one time I don't bring my finds home It's mostly Ordovician-Silurian. The Treatise lists possible Lower Devonian but there will be many similar looking corals - proper ID usually needs a specialist to look at sections. 3 1 Tarquin Link to comment Share on other sites More sharing options...
Kara Posted November 11, 2016 Author Share Posted November 11, 2016 I can try to take better pics of it on tuesday when I get back home, if it helps. I am very grateful for your help! Can you explain what are the main features that tell this is a coral instead of a sea-urchin? My friend claims it is an imprint of a disconnected sea urchin spine. (?) - Kara Link to comment Share on other sites More sharing options...
TqB Posted November 11, 2016 Share Posted November 11, 2016 16 minutes ago, Kara said: I can try to take better pics of it on tuesday when I get back home, if it helps. I am very grateful for your help! Can you explain what are the main features that tell this is a coral instead of a sea-urchin? My friend claims it is an imprint of a disconnected sea urchin spine. (?) - Kara It isn't an imprint - your specimen clearly shows that the septa (radiating plates) of the coral are three dimensional and extend down through the rock. There are four separate corallites showing. It's a worn version of this sort of thing: 3 1 Tarquin Link to comment Share on other sites More sharing options...
abyssunder Posted November 12, 2016 Share Posted November 12, 2016 I agree with Tarquin. Compared with these images, I could see why your boyfriend thought it would be a regular echinoid with lost spines. In the first photo you could see some plates from the interambulacral zone of a cidaroid echinoderm, while in the second photo are imprints of plates from a similar echinoid, but there is only a superficial resemblance with your specimen. Could be tricky for the untrained eye. Pictures from : http://woostergeologists.scotblogs.wooster.edu/2014/04/08/cretaceous-echinoderms-are-todays-stars/ http://www.littlehamptonrocks.co.uk/fossil-guide/ 4 " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
fifbrindacier Posted November 12, 2016 Share Posted November 12, 2016 18 hours ago, Kara said: Hi Kara, welcome in TFF. I also think those are corals. I see that one is still in its "tube" (i don't know the right word). For comparison i show you one of mine in its "tube", you can find some in taller tubes as is one of yours. 1 1 "On ne voit bien que par le coeur, l'essentiel est invisible pour les yeux." (Antoine de Saint-Exupéry) "We only well see with the heart, the essential is invisible for the eyes." In memory of Doren Link to comment Share on other sites More sharing options...
fossiling Posted November 12, 2016 Share Posted November 12, 2016 I agree with coral. Keep looking! They're everywhere! Link to comment Share on other sites More sharing options...
Kara Posted November 12, 2016 Author Share Posted November 12, 2016 Thank You all very very much for sharing your expertise , your comments are very helpful and instructive ! So I am a proud and happy coral-fossil owner 1 1 Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now