RobinRFlores Posted August 2, 2017 Share Posted August 2, 2017 Link to comment Share on other sites More sharing options...
Kane Posted August 2, 2017 Share Posted August 2, 2017 I will say this once more: size and location, please. Also, post in the Fossil ID thread. I've moved it there again. ...How to Philosophize with a Hammer Link to comment Share on other sites More sharing options...
Wendell Ricketts Posted August 2, 2017 Share Posted August 2, 2017 No, but that one is at least a fossil. It's the internal mold of a bivalve. Where did you find these? If you could put a ruler down next to the specimen when you photograph, that would help. _________________________________ Wendell Ricketts Fossil News: The Journal of Avocational Paleontology http://fossilnews.org https://twitter.com/Fossil_News The "InvertebrateMe" blog http://invertebrateme.wordpress.com Link to comment Share on other sites More sharing options...
Miocene_Mason Posted August 2, 2017 Share Posted August 2, 2017 This is, as has been stated, a bivalve. I suggest you look up what a heart looks like, it is different than what you seem to think. “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
Kane Posted August 2, 2017 Share Posted August 2, 2017 This looks like a steinkern, and one that is colloquially called a "deer heart" bivalve. Have a look at these images: https://www.google.ca/search?q=deer+heart+bivalve&source=lnms&tbm=isch&sa=X&ved=0ahUKEwirjryQrrnVAhVG0YMKHR3nBYkQ_AUICigB&biw=1298&bih=751 1 ...How to Philosophize with a Hammer Link to comment Share on other sites More sharing options...
RobinRFlores Posted August 2, 2017 Author Share Posted August 2, 2017 Link to comment Share on other sites More sharing options...
Fossildude19 Posted August 2, 2017 Share Posted August 2, 2017 Agreed - this one is a cast of a bivalve. Something like Arca. Regards, 2 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...
abyssunder Posted August 2, 2017 Share Posted August 2, 2017 Yup, pretty nice steinkern. It's hard to say which genus is and harder to narrow down to the species level. It reminds me of the Lower Cretaceous Cucullaea. 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...
Doctor Mud Posted August 3, 2017 Share Posted August 3, 2017 On 8/2/2017 at 5:16 PM, abyssunder said: Yup, pretty nice steinkern. It's hard to say which genus is and harder to narrow down to the species level. It reminds me of the Lower Cretaceous Cucullaea. Me too. This is a very common genus in New Zealand as well. Link to comment Share on other sites More sharing options...
fifbrindacier Posted August 3, 2017 Share Posted August 3, 2017 According to its size (i think the scale is in inches, not in centimeters), it might be an internal cast of an Isocardia. 5 mm = 0,5 centimeter ; 1 inch = 2,5 centimeters. 2 "On ne voit bien que par le coeur, l'essentiel est invisible pour les yeux." (Antoine de Saint-Exupéry) "We only well see with the heart, the essential is invisible for the eyes." In memory of Doren Link to comment Share on other sites More sharing options...
abyssunder Posted August 3, 2017 Share Posted August 3, 2017 These are quite large ones, and are from the Paleocene. 2 " 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...
JarrodB Posted August 4, 2017 Share Posted August 4, 2017 You can still call it a petrified heart bivalve if you like. Link to comment Share on other sites More sharing options...
caldigger Posted August 4, 2017 Share Posted August 4, 2017 If you know anything about anatomy, real animal hearts are not shaped like the traditional depiction of a heart. I'm not sure how it ever got to be the standardized shape to show a heart. I have yet to see an actual heart shaped like ❤️. Link to comment Share on other sites More sharing options...
fifbrindacier Posted August 4, 2017 Share Posted August 4, 2017 Sure, it's a big bivalve full of heartfulness. 1 "On ne voit bien que par le coeur, l'essentiel est invisible pour les yeux." (Antoine de Saint-Exupéry) "We only well see with the heart, the essential is invisible for the eyes." In memory of Doren Link to comment Share on other sites More sharing options...
MamaKat Posted March 15, 2020 Share Posted March 15, 2020 We have those all over Texas. We call them Texas Heart Fossils. But it’s not an actual heart, it’s a clam of some sort. Someone else on this site provided a link to these in 2016. Here it is again. https://play.google.com/books/reader?printsec=frontcover&output=reader&id=42cfCgAAQBAJ&pg=GBS.PP1 Link to comment Share on other sites More sharing options...
Brittasaurus Tex Posted January 25, 2023 Share Posted January 25, 2023 Found hundreds of these in 2013 in the shelf over a canyon near Roy Creek Link to comment Share on other sites More sharing options...
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