Cordosphaeridium hirundo

?hirundo (Eisenack, 1958a, p.404-405, pl.24, fig.12) Stover and Evitt, 1978, p.147.  Emendation: Sarjeant, 1985a, p.76-77, as Achomosphaera hirundo.  Holotype: Eisenack, 1958a, pl.24, fig.12.  Originally Hystrichosphaeridium, subsequently Achomosphaera, thirdly Lanternosphaeridium, fourthly (and now) Cordosphaeridium?, fifthly Spiniferites?.  Lentin and Williams (1989, p.74) questionably retained this species in Cordosphaeridium.  Questionable assignment: Stover and Evitt (1978, p.47).  N.I.A.  Age: Early Cretaceous.

Parent: Cordosphaeridium