"Not all of nature's layered structures are tough as animal shells and antlers." ScienceDaily. ScienceDaily, 17 January 2020. <www.sciencedaily.com / releases / 2020 / 01 / 200117110836.htm>.

A turtle's shell is part of the reptile's skeleton, and it protects some of the strangest features in the animal kingdom. Here's what's inside.

"While some scientists once thought that each little jar-like structure of Cambrothyra was the shell of a tiny single-celled protist, our work instead supports the hypothesis that Cambrothyra was an ...

At Nan’s Ranch, the animals joined the 80-plus other animals already there. Those Shell Factory animals include two ring-tailed lemurs, two coatimundi, a three-banded armadillo and a bare-eyed ...

Researchers said on Thursday they found fossils of the oldest-known animal-made reef in Namibia, built by a small, filter-feeding seabed creature called Cloudina 548 million years ago.