Mammals, including humans, stand out with their distinctively upright posture, a key trait that fueled their spectacular evolutionary success. Yet, the earliest known ancestors of modern mammals more ...

Fluorescent anatomy, which recently seemed to be a quirk in unusual animals such as platypuses and opossums, was found in most living families of mammals. By Cara Giaimo At first, it seemed to be ...

Such pre-mammal synapsids are often called “proto-mammals” as their anatomy set the stage for what mammals would eventually become. Dimetrodon , in particular, illustrates an early dental ...

Mammals, including humans, stand out with their distinctively upright posture, a key trait that fueled their spectacular evolutionary success. Yet, the earliest known ancestors of modern mammals ...

The identification of a key gene in monotremes has increased our understanding of why the stomachs of platypuses and echidnas ...

The animal’s fossil records date back 225 million years, ... The research is published in the Journal of Anatomy. More about PA Ready Scientists Natural History Museum. Most Popular. Popular videos.

They’re monotremes, or egg-laying mammals; ... That’s possible because echidnas’ erectile tissue anatomy differs from most other mammals’, Australian scientists reported in a 2021 study.

It involved a major reorganization of limb anatomy and function in synapsids -- the group that includes both mammals and their non-mammalian ancestors -- eventually leading to the therian mammals ...