Alena Gilmer Posted March 24, 2022 Share Posted March 24, 2022 Please help identify. Found in Eastern Washington state. Appears to be cracked. Maybe a dinosaur egg? Link to comment Share on other sites More sharing options...
Kane Posted March 24, 2022 Share Posted March 24, 2022 Likely a tumbled rock with quartzite veining -- not a fossil egg. 2 ...How to Philosophize with a Hammer Link to comment Share on other sites More sharing options...
FranzBernhard Posted March 24, 2022 Share Posted March 24, 2022 Welcome to TFF from Austria! Unfortunately, your specimen is not an egg (no egg shell, not really egg-shaped). Its some kind of river-worn rock. Franz Bernhard 1 Link to comment Share on other sites More sharing options...
Fossildude19 Posted March 24, 2022 Share Posted March 24, 2022 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...
RJB Posted March 24, 2022 Share Posted March 24, 2022 Genus- Roundus species- rockis RB 1 1 Link to comment Share on other sites More sharing options...
Bronzviking Posted March 24, 2022 Share Posted March 24, 2022 Welcome to the Fossil Forum from Florida. Only one known dinosaur fossil has been found in Washington so its highly unlikely. I agree with others a concretion. Link to comment Share on other sites More sharing options...
doushantuo Posted March 24, 2022 Share Posted March 24, 2022 welcome to the forum I'd have to agree with previous posters. There are "sure fire" (*) indicators if anything remotely ovoidal or (pseudo)spherical once was a bit of life history (reproductory biology), i.e... an egg. edit(*): The best are ultrastructural (crystallite morphology, spatial arrangement (c-axis orientation)) Furthermore: provenance data will/might increase the probability of a identification with an appreciable degree of veritas Keep at it, I say. Paleontology keeps me off the street, anyways. Link to comment Share on other sites More sharing options...
doushantuo Posted March 24, 2022 Share Posted March 24, 2022 (edited) some of you may like( 5.1 Mb): edit: fig 9 & 10 figure dinosaurian dentition(fig 10:coelurosauria) Journal of Vertebrate Paleontology 7(4):408-424, December 1987 DINOSAUR EGGSHELLS (SAURISCHIA) FROM THE LATE CRETACEOUS INTERTRAPPEAN AND LAMETA FORMATIONS (DECCAN, INDIA) MONIQUE VIANEY-LIAUD, SOHAN L. JAIN and ASHOK SAHNI 983057187_dinsaureggshellsfromthelatecretaceousintertrappean.pdf Edited March 24, 2022 by doushantuo Link to comment Share on other sites More sharing options...
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