MartianColony Posted February 9, 2017 Share Posted February 9, 2017 I don't remember where I got this, just found it while going through an old collection. Is is a fossil? Is it a shell? Is it artificial? I've no idea what it is. I'll put more photos in a reply post. Thank you to all who reply! Link to comment Share on other sites More sharing options...
MartianColony Posted February 9, 2017 Author Share Posted February 9, 2017 Link to comment Share on other sites More sharing options...
Rockwood Posted February 9, 2017 Share Posted February 9, 2017 I don't have the name off the top of my head, but I think these may actually be clams (bivalves). Could they be Neogene in age ? Link to comment Share on other sites More sharing options...
Rockwood Posted February 9, 2017 Share Posted February 9, 2017 Oops. The mollusk Serplorbis is what I'm thinking of. 3 Link to comment Share on other sites More sharing options...
jhw Posted February 9, 2017 Share Posted February 9, 2017 Agreed. Common name worm snail. Looks modern to me. Sometimes here in the rocky California coastline you can find them all over. Link to comment Share on other sites More sharing options...
abyssunder Posted February 9, 2017 Share Posted February 9, 2017 (edited) Looks like it could be a remnant of a vermetid (Vermetidae family) gastropod (''worm snail"), like Serpulorbis or similar. Sorry that I say the same what it was said before, but the editing with the checking of resources take some time... Know I understand why sometimes I see the same thing (in a little different form) after my posts. I'm glad to see that is a general consensus about the ID. Edited February 9, 2017 by abyssunder 1 " 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...
MartianColony Posted February 10, 2017 Author Share Posted February 10, 2017 I found this online, it looks extremely similar to what I have. They refer to it as a "tube worm". Link included: http://kids-myshot.nationalgeographic.com/photos/view/114166/fossilized-tube-worm-shot-by-spinup-100 Link to comment Share on other sites More sharing options...
Rockwood Posted February 11, 2017 Share Posted February 11, 2017 The distinction is drawn from size, external ornament, and porous chalky nature of the gastropod shell. Link to comment Share on other sites More sharing options...
abyssunder Posted February 11, 2017 Share Posted February 11, 2017 I agree. I would remain in the vermetid camp, considering the longitudinal ribs of the outer surface and the transverse growth segments. Here is an example of Serpulorbis. Btw, the genus is now Thylacodes as shown in WoRMS (World Register of Marine Species). " 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...
MOROPUS Posted February 22, 2017 Share Posted February 22, 2017 Eroded Vermetidae gastropods. Possibly Petaloconchus sp. Link to comment Share on other sites More sharing options...
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