Cyclonephelium exuberans

"exuberans" Deflandre and Cookson, 1955, p.285 ex Eaton, 1976, p.255.  Emendation: Sarjeant, 1986, p.29–31, as Glaphyrocysta exuberans.  Holotype: Pastiels, 1948, pl.5, figs.11,13, as Membranilarnax pterospermoides, designated by Eaton (1976, p.255); lost according to Sarjeant (1986, p.30).  Neotype: Eaton, 1976, pl.8, fig.2, designated by Sarjeant (1986, p.30).  NOW Glaphyrocysta.  Originally Cyclonephelium, subsequently (and now) Glaphyrocysta.  Name not validly published in Deflandre and Cookson (1955, p.285) since these authors did not provide a description or a direct reference to one (as required after 1952 by ICBN Article 32.3).  Name not validly published in Williams and Downie (1966c, p.225) since holotype not designated Age: Late Cretaceous.

Parent: Cyclonephelium