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.