Dino Dad 81 Posted November 28, 2022 Share Posted November 28, 2022 Once more to squeeze in. This too is from the Lance formation, Weston co, WY. It's about 14mm X 7mm X 2mm. Is it an egg shell? Thanks, Link to comment Share on other sites More sharing options...
jpc Posted November 28, 2022 Share Posted November 28, 2022 HI Dino Dad... The cross section is completely bone-ish. Eggshells in cross section, have crystals that run perpendicular to the surface, not the holes I see here. I can't tell if the surface texture has holes going into the thing, or bumps coming out. Can you take a photo with the light coming form the upper left? I think this is a piece of soft-shell turtle. 3 Link to comment Share on other sites More sharing options...
Carl Posted November 28, 2022 Share Posted November 28, 2022 I am absolutely seeing a bit of turtle carapace here, as well. 1 Link to comment Share on other sites More sharing options...
MarcoSr Posted November 28, 2022 Share Posted November 28, 2022 I also see a piece of soft-shell turtle carapace. I don't know if it helps, but below are pictures of a 5 mm x 3 mm x 1 mm piece of bird eggshell from the Eocene of Nebraska. Marco Sr. "Any day that you can fossil hunt is a great day." My family fossil website Some Of My Shark, Ray, Fish And Other Micros My Extant Shark Jaw Collection Link to comment Share on other sites More sharing options...
jpc Posted November 28, 2022 Share Posted November 28, 2022 nice shot of the eggshell cross-section there in marco's post. Note the crystal pattern in it. Link to comment Share on other sites More sharing options...
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