ShanniElle Posted May 7, 2017 Share Posted May 7, 2017 My boyfriend works in northern Ontario (Canada) at a limestone rock quarry and found this while chipping a piece of rock. I am not sure if this is even a legitimite fossil and if so what kind it is and would love some feedback! Link to comment Share on other sites More sharing options...
ynot Posted May 7, 2017 Share Posted May 7, 2017 Welcome to TFF! It looks like a piece of a orthocone/nautilus. 3 Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
Peat Burns Posted May 7, 2017 Share Posted May 7, 2017 I agree with ynot. Looks like an orthoconic nautiloid. Maybe something like Gomphoceras or Tetrameroceras? VERY nice find! And welcome to the forum! 4 Link to comment Share on other sites More sharing options...
Rockwood Posted May 7, 2017 Share Posted May 7, 2017 Not sure but it may also be a banded chert look alike. 1 Link to comment Share on other sites More sharing options...
Monica Posted May 7, 2017 Share Posted May 7, 2017 Hi @ShanniElle! Welcome to the forum! I initially thought that your piece might be an orthoconic (straight-shelled) nautiloid - a type of extinct cephalopod - but after looking at your pictures more closely I'm not so sure... I've found quite a few orthoconic nautiloids down here in the Toronto area, and from what I've noticed, the segments extend from top to bottom on each piece. Your piece doesn't seem to have segmentation right to the "top". The segments in your piece also seem to have different widths - that could just mean that your piece is a bit smushed, but I don't know... I'm thinking it's something else, likely geologic like Rockwood has said... Keep looking!!! Monica 1 Link to comment Share on other sites More sharing options...
Fossildude19 Posted May 7, 2017 Share Posted May 7, 2017 Orthocone cephalopod would be my guess, ... although Dale makes a valid point, about banded chert. I'd like to see a few pictures of the other side of the item. Regards, 4 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...
TqB Posted May 7, 2017 Share Posted May 7, 2017 I'm happy that that's a Gomphoceras-type nautiloid, as Peat Burns suggested. The last one or two chambers before the living chamber often seem to be narrower, as happens in ammonites too on maturity. 5 Tarquin Link to comment Share on other sites More sharing options...
doushantuo Posted May 7, 2017 Share Posted May 7, 2017 from Stridsberg,probably also in Fruitbat's: 6 Link to comment Share on other sites More sharing options...
abyssunder Posted May 7, 2017 Share Posted May 7, 2017 Here are two Gomphoceras species from this site, for comparison: 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...
doushantuo Posted May 7, 2017 Share Posted May 7, 2017 i just see a generalized ascoceratid(I think),BTW might just as well be Diestoceras ,for all I know 1 Link to comment Share on other sites More sharing options...
doushantuo Posted May 7, 2017 Share Posted May 7, 2017 miscellaneous Ascoceratids from Lindstom,1890 * setting new standards illustrationwise,IMHO 3 Link to comment Share on other sites More sharing options...
doushantuo Posted May 7, 2017 Share Posted May 7, 2017 Growth: oncocerid-cephopods.pdf outtake: 1 Link to comment Share on other sites More sharing options...
DE&i Posted May 19, 2017 Share Posted May 19, 2017 They really are an unusual fossil aren't they, I found a Gomphoceras ellipticum from the Elton beds over Wenlock limestone. I'd like to try and prep it further but not really sure how. 1 Regards.....D&E&i The only certainty with fossil hunting is the uncertainty. https://lnk.bio/Darren.Withers Link to comment Share on other sites More sharing options...
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