Cretarhabdus multicavus Bukry, 1969
From the Greek ataktos, meaning “irregular” or “without order”, and lithos, meaning “stone”, referring to the irregular arrangement of the pores.
Bukry, D. 1969. Upper Cretaceous coccoliths from Texas and Europe. University of Kansas Paleontological Contributions, Articles 51 (Protista 2): 1-79.