reinecke_tracy Posted April 14, 2021 Share Posted April 14, 2021 Found this on a walk. Very porous with channels filled with tiny crystal Link to comment Share on other sites More sharing options...
Ludwigia Posted April 14, 2021 Share Posted April 14, 2021 Coral. 3 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
FranzBernhard Posted April 14, 2021 Share Posted April 14, 2021 Tabulate coral, Paleozoic. Very nice specimen! Franz Bernhard Link to comment Share on other sites More sharing options...
fifbrindacier Posted April 14, 2021 Share Posted April 14, 2021 Yes, that's a coral, but corals can sometimes be easily mistaken with sponges. What makes me say it's a coral are firstly the horizontal lines that show individual zooecias, and secondly, no trace of Atrium or central canal. Here are the three morphological schemes of sponges : Ascon, Sycon, Leucon 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...
Plax Posted April 14, 2021 Share Posted April 14, 2021 3 hours ago, fifbrindacier said: Yes, that's a coral, but corals can sometimes be easily mistaken with sponges. What makes me say it's a coral are firstly the horizontal lines that show individual zooecias, and secondly, no trace of Atrium or central canal. Here are the three morphological schemes of sponges : Ascon, Sycon, Leucon Have always been attracted to sponge fossils because of their abundance in the local Eocene. thanks for posting this reference 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