Cephalopods
Ammonoid Evolution vs Nautiloid Evolution
VERSUS TEST: Ammonoid OR Nautiloid? And an educational discussion here: 😀 http://www.thefossilforum.com/index.php?/topic/39056-cephalopod-question/ Answer: Gastropod Maclurites crassus
Confusion with Cephalopods of Minnesota and Baculites and Belemnites
I was recently researching fossils of Minnesota on the web and found this article: http://www.sciencebuzz.org/blog/collecting-fossils-minnesota If you scroll down you will see that the author speculates that he has found a baculites in the Ordovician Decorah Shale near Cannon Falls. There are NO BACULITES in the Ordovician! Here is a page from the PDF Guide … Continue reading
Geodized Cephalopods
I’ve had some queries on geodes in southeastern Minnesota – YES! The Mississippi River valley is noted for its limestone formations which are the place to hunt geodes in southern Minnesota. These will be sedimentary geodes usually containing calcite or quartz. Up in northeastern Minnesota (The shore of Lake Superior and the quarries thereabout.)you will … Continue reading
Possible New Species of Cephalopod!
Caleb Scheer of Midwestpaleo.com contacted a cephalopod expert in Iowa about the cephalopod that Old Dead Things, Jim Schmiedt, found on our hunt together, and Bob Benter and I collected. Caleb will be prepping it. This is what Caleb had to say when I asked him what the expert said, “He won’t say until he sees the specimen prepped…. … Continue reading
