Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The Psittacosaurus specimen, from Senckenberg Museum of Natural ...

Despite the huge number of dinosaur fossils found, from bones to feathers, precious little exists in the fossil record to explain dinosaur defecation, urination, or copulation. Thankfully, all three ...

A team of researchers has just announced the first-ever “reconstruction” of a psittacosaurus’s cloaca; that is, the dinosaur’s all-purpose hole used for urinating, defecating, mating, and laying eggs.

This cloaca is more than 100 million years old, and it did a lot of work for this extinct species. By Katherine J. Wu The world’s oldest known all-purpose orifice sits in a fossil display case in the ...

Jan. 19 (UPI) --For the first time, scientists have described the cloaca, or vent, of a dinosaur -- the all-purpose opening used for reproduction and waste disposal. Many mammals have distinct ...

A fossil dinosaur originally discovered in northwestern China is so exquisitely preserved that the shape of its cloaca – the opening used for excretion and mating – is visible for the first time. Only ...

Visual Science Communicator, Garvan Institute of Medical Research and Lab Research Fellow, 3D Visualisation and Aesthetics Lab UNSW Art and Design, UNSW Sydney I think it’s fair to say that I am ...

For the entirety of my career as a journalist covering paleontology, I’ve been wanting to know: What does a dinosaur’s butthole look like? When I wrote My Beloved Brontosaurus, a book about dinosaur ...