Palaeo After Dark

The gang discusses two papers that look at preserved skin/external tissues. The first paper shows a unique record of Cambrian molting, and the second paper looks at the first preserved samples of plesiosaur skin. Meanwhile, Amanda commits an "own goal”, Curt shares some old internet fun, and James has opinions about fins.   Up-Goer Five (Curt Edition): The friends talk about two papers that look at skin that is very very very old. The first paper looks at animals from a long time ago that lose their skin when they get too big for it when then grow. They found these parts on the skin that are hard and most of the time there are two but some of them have four, and that these ones that have four are because they are growing new skin under the old skin. The second paper looks at an animal from a long time ago that breathes air but lives in the water and is close to things today that have harder skin. Other animals like this animal have some skin that we know about, but for this group of animal we did not know a