Finally in 3-D: A Dinosaur's All-Purpose Orifice - The New York Times
Finally in 3-D: A Dinosaurâs All-Purpose Orifice This cloaca is more than 100 million years old, and it did a lot of work for this extinct species. A reconstruction of Psittacosaurus showing how the cloacal vent might have been used for signaling during courtship.Credit...Bob Nicholls/Paleocreations.com 2020 Jan. 19, 2021 The worldâs oldest known all-purpose orifice sits in a fossil display case in the Senckenberg Natural History Museum in Frankfurt, Germany, so close to the glass tha...
United States University Of Massachusetts Robert Nicholls Patricia Brennan Bob Nicholls Paleocreations Jakob Vinther
Source: nytimes.com