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Hystrichosphaeridium elegantulum
Hystrichosphaeridium elegantulum Lejeune-Carpentier, 1940
Originally Hystrichosphaeridium, subsequently Polysphaeridium? (combination not validly published).
Tax. jr. synonym of Hystrichosphaeridium (now Oligosphaeridium) complex (White, 1842) Davey and Williams, 1966, according to Deflandre, 1946.
Holotype: Lejeune-Carpentier, 1940, text-fig.11; Lejeune-Carpentier and Sarjeant, 1981, pl.4, figs.3-4
Age: Turonian-Senonian
Originally Hystrichosphaeridium, subsequently Polysphaeridium? (combination not validly published).
Tax. jr. synonym of Hystrichosphaeridium (now Oligosphaeridium) complex (White, 1842) Davey and Williams, 1966, according to Deflandre, 1946.
Holotype: Lejeune-Carpentier, 1940, text-fig.11; Lejeune-Carpentier and Sarjeant, 1981, pl.4, figs.3-4
Age: Turonian-Senonian