David Peterman in the AMMLab (Ammonoid Motility Modeling Laboratory) holding a 3-D-printed reconstruction of the planispiral ammonite, Paracoroniceras lyra. David Peterman, Kathleen Ritterbush and ...
The fossil record is chock-full of the fossilized remains of spiral-shelled ammonoids, whose shapes are reminiscent of rams’ horns. But there was another type of ammonoid with long, straight, uncoiled ...
Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert ...
University of Utah paleontologists David Peterman and Kathleen Ritterbush know that it's one thing to use math and physics to understand how ancient marine creatures moved through the water. It's ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results