†Multiplicisphaeridium verticisum Le Herisse 2002
Le Herisse 2002. Paleoecology, biostratigraphy and biogeography of Late Silurian to Early Devonian acritarchs and prasinophycean phycomata in well A161, Western Libya, North Africa. Review of Palaeobotany and Palynology, 118(1-4), April 2002: 359-395