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Hystrichosphaeridium pterophorum
Hystrichosphaeridium pterophorum Deflandre and Courteville, 1939
Now Dinopterygium. Originally Hystrichosphaeridium, subsequently Cymatiosphaera, thirdly Oodnadattia, fourthly (and now) Dinopterygium.
Holotype: not known, although Deflandre and Courteville, 1939, designated a holotype, they did not specify which of their illustrations represented that specimen.
Age: Senonian
Now Dinopterygium. Originally Hystrichosphaeridium, subsequently Cymatiosphaera, thirdly Oodnadattia, fourthly (and now) Dinopterygium.
Holotype: not known, although Deflandre and Courteville, 1939, designated a holotype, they did not specify which of their illustrations represented that specimen.
Age: Senonian