Rastellum Posted June 8, 2013 Share Posted June 8, 2013 Hallo! I found this encrusted Shell Spondylus spinosus,8*6 cm today. Cretaceous ,Campan ,Ivö ,Sweden. I can´t figure out if it´s Bryozoa or Sponge or maybe both. Thanks for answering [ Link to comment Share on other sites More sharing options...
Indy Posted June 8, 2013 Share Posted June 8, 2013 The elongated round features appears to me to be worm tubes. Flash from the Past (Show Us Your Fossils)MAPS Fossil Show Link to comment Share on other sites More sharing options...
Auspex Posted June 8, 2013 Share Posted June 8, 2013 The globular features seem very sponge-like to me, especially the way they are joined by tendrils. "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
Missourian Posted June 8, 2013 Share Posted June 8, 2013 Could they be filled burrows? Context is critical. Link to comment Share on other sites More sharing options...
Indy Posted June 8, 2013 Share Posted June 8, 2013 The roundish sponges reminds me of these sponges posted on by Rastellum on the Show Us Your Sponges thread: Click Here In the "cropped" image below ... There appears to be predator markings made by worms and or boring sponges. Flash from the Past (Show Us Your Fossils)MAPS Fossil Show Link to comment Share on other sites More sharing options...
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