Pterichthys, Old Red Sandstone.
"The Student's Elements of Geology"
Sir Charles Lyell
Hugh Miller's "The Old Red Sandstone" contains some charming descriptions of his discoveries of Pterichthys and related forms, and this book will ever remain a classic.
"Animals of the Past"
Frederic A. Lucas
5.-Pterichthys, the Wing Fish.
"Animals of the Past"
Frederic A. Lucas