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Baltisphaeridium tuberosum
Baltisphaeridium tuberosum, (Sannemann, 1955), Downie and Sarjeant, 1965
Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium. This combination was not validly pubiished in Downie and Sarjeant, 1963 since these authors did not fully reference the basionym.
Holotype: Sannemann, 1955, pl.4, fig.17
Age: Devonian (Givetian)
Originally Hystrichosphaeridium, subsequently (and now) Baltisphaeridium. This combination was not validly pubiished in Downie and Sarjeant, 1963 since these authors did not fully reference the basionym.
Holotype: Sannemann, 1955, pl.4, fig.17
Age: Devonian (Givetian)