Helladosphaera poritectum Heimdal in Heimdal & Gaarder, 1980
Heimdal, B. R. & Gaarder, K. R, 1980. Coccolithophorids from the northern part of the eastern central Atlantic I. Holococcolithophorids. “Meteor” Forschungsergebnisse, Reihe D, Biologie 32: 1-14.
Kleijne, A. 1991. Holococcolithophorids from the Indian Ocean, Red Sea, Mediterranean Sea and North Atlantic Ocean. Marine Micropaleontology 17: 1-76.