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Jack Kallmeyer replied to the topic Mold, Cast and Steinkern in the forum What Is It? 7 years, 3 months ago
7 years, 3 months ago7 years, 3 months ago@dave-carlson Regarding your cephalopod question. We have that same kind of preservation here in our nautiloid fossils. We may be getting to splitting hairs here and I don’t know if it’s worth making the distinction of calling them steinkerns or not. I would guess that these are some kind of combination steinkern and body fossil. I am gues…[Read more]
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Jack Kallmeyer replied to the topic Mold, Cast and Steinkern in the forum What Is It? 7 years, 3 months ago
7 years, 3 months ago7 years, 3 months ago@rleder, @bdattilo, @bmacfadden, @crobins, @rebecca-freeman, @dave-carlson
I stick by my previously submitted quote from Grabau. Your clam on the right in your image is an internal mold, i.e., it was made from the original shell by an infilling of mud. This is a steinkern. If you coated it with a silicone compound you will have a cast of the…[Read more]
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Eleanor Gardner posted an update 7 years, 4 months ago
7 years, 4 months ago7 years, 4 months agoWelcome to our online paleontological community, @jon-gilbert, @don-mullis, @ivan-fedorchuk, @dorothyraymundo, @david-fitch, @jim-herget, @dave-carlson, @tony-kapta, @alexis-darr, @tim-sheffler, @jennifer-keller, @cindy-carter, @sylvia-almeida, @cathy-emanuel, @katerina-rehman, @robert-asreen, @robert-woodruff, @david-shull, @leathon-femmel, and @j…[Read more]
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Kent Crippen posted an update in the group Welcome Committee 7 years, 4 months ago
7 years, 4 months ago7 years, 4 months agoWelcome to @dave-carlson, newest member of the myFOSSIL community!