ckmerlin Posted February 18, 2016 Share Posted February 18, 2016 (edited) Hi all need opinions on id of this specimen Im thinking it maybe a fish resting trace fossil undichna(well hoping so anyway ) there are no other ripple marks on the surface of the specimen there is a small piece of fish jaw lying next to it/on it Geology :- Upper Carboniferous Westphalian-A Lower pennine coal measures Flintshire NE Wales Uk size 2.8cm in length all opinions, ideas etc appreciated best regards Chris Edited February 18, 2016 by ckmerlin "A man who stares at a rock must have a lot on his mind... or nothing at all' Link to comment Share on other sites More sharing options...
Fossildude19 Posted February 18, 2016 Share Posted February 18, 2016 Hi Chris! Interesting find. Can we see an overview of the plate? Not sure about it being an undichna trace fossil. I would lean more towards something else - maybe a coprolite or operculum imprint? Just some guesses, but an overview might help determine what you have there. Do you happen to have both sides os the plate, as well? Cheers, 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...
ckmerlin Posted February 18, 2016 Author Share Posted February 18, 2016 Hi Chris! Interesting find. Can we see an overview of the plate? Not sure about it being an undichna trace fossil. I would lean more towards something else - maybe a coprolite or operculum imprint? Just some guesses, but an overview might help determine what you have there. Do you happen to have both sides os the plate, as well? Cheers, Hi Tim yes two possibilities I hadnt considered probably more likely than undichna (as I havnt found any other trace fossils in my area) Ill take some photos from above when i can get some better light very hard to photo unfortunately the negative side broke during transport thanks Tim best regards Chris "A man who stares at a rock must have a lot on his mind... or nothing at all' Link to comment Share on other sites More sharing options...
Archie Posted February 18, 2016 Share Posted February 18, 2016 Could it be a thin layer of matrix still covering a fossil? Is there a corresponding bulge or indentation on the underside? Cool little jaw! Link to comment Share on other sites More sharing options...
Terry Dactyll Posted February 19, 2016 Share Posted February 19, 2016 No idea... Sorry.... Cheers Steve... And Welcome if your a New Member... Link to comment Share on other sites More sharing options...
Ludwigia Posted February 19, 2016 Share Posted February 19, 2016 Your guess is as good as mine. It could very well be a trace, but as to what might have made it, that is and shall remain open to conjecture in my opinion. 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
ckmerlin Posted February 20, 2016 Author Share Posted February 20, 2016 Could it be a thin layer of matrix still covering a fossil? Is there a corresponding bulge or indentation on the underside? Cool little jaw! Hi Sam sorry for late reply No corresponding bulge on underside , unfortunaltely the specimen has broken Oh well I think that it could have been an indentation left in the mud that could have been caused by a number of things thanks for looking best regards Chris "A man who stares at a rock must have a lot on his mind... or nothing at all' Link to comment Share on other sites More sharing options...
ckmerlin Posted February 20, 2016 Author Share Posted February 20, 2016 No idea... Sorry.... Thanks for looking steve best regards chris "A man who stares at a rock must have a lot on his mind... or nothing at all' Link to comment Share on other sites More sharing options...
ckmerlin Posted February 20, 2016 Author Share Posted February 20, 2016 Your guess is as good as mine. It could very well be a trace, but as to what might have made it, that is and shall remain open to conjecture in my opinion. Sorry for late reply I tend to agree , could be any number of things but anyway the specimen has broken thanks for looking though best regards Chris "A man who stares at a rock must have a lot on his mind... or nothing at all' Link to comment Share on other sites More sharing options...
ckmerlin Posted February 20, 2016 Author Share Posted February 20, 2016 Just want to apologize to you all for late reply good luck in your hunting best regards chris "A man who stares at a rock must have a lot on his mind... or nothing at all' Link to comment Share on other sites More sharing options...
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