Fossil remains of Proterogyrinus have been found in Scotland, UK, and West Virginia, United States, and date back to the Serpukhovian (mid-Carboniferous period), which is from about 331 to 323 million years ago. The genus was originally named by renowned vertebrate paleontologist Alfred Sherwood Romer in 1970.
Fossil records of Proterogyrinus have been discovered in Scotland, UK, and West Virginia, United States, dating to the Serpukhovian (mid-Carboniferous period), which is from around 331 to 323 million years ago. The genus was first described by Alfred Sherwood Romer, a distinguished vertebrate paleontologist, in 1970.