Algidasphaeridium euaxum

"?euaxum" Head, 1993, p.24,26, fig.16, nos.1–8,11; fig.26, no.4.  Holotype: Head, 1993, fig.16, no.11.  NOW Echinidinium.  Originally Algidasphaeridium?, subsequently (and now) Echinidinium.  Questionable assignment: Head (1993, p.24).  Age: latest Pliocene.

Parent: Algidasphaeridium