Amphizygus brooksii nanus Bukry, 1969
Species of Amphizygus with a wide yoke cycle surrounding the central area.
Amphizygus brooksii nanus differs from Amphizygus brooksii brooksii by having a wide yoke cycle.
Bukry, D., (1969): Upper Cretaceous coccoliths from Texas and Europe. - The University of Kansas Paleontological Contributions, Article 51 (Protista 2): 1-79.
Amhizygus brooksii nanus
Bukry, 1969
Middle Campanian
Meudon, France