Cryptozoic!

From Author Wars - https://authorwars.com/publications/cryptozoic-383994.html

Overview:

Title: Cryptozoic!
Author: Brian W. Aldiss
Year: 1969
Publisher: Avon
Price: $0.75
Pages: 191
Binding: Paperback
Type: Novel
Title Reference: Cryptozoic!
Notes:
"First Avon Printing, June, 1969" "Cover illustration by Don Punchatz" plus signature on artwork.