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Adnatosphaeridium perforatum
From Fensome et al., 2019:
Adnatosphaeridium perforatum, (Alberti, 1961, p.37, pl.9, fig.14) Riley and Sarjeant, 1972, p.3.
Holotype: Alberti, 1961, pl.9, fig.14.
Originally Cannosphaeropsis, subsequently Adnatosphaeridium, thirdly Rigaudella.
Taxonomic senior synonym: Cannosphaeropsis (now Rigaudella) filamentosa, according to Stancliffe and Sarjeant (1990, p.206).
Age: ?Callovian.
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Adnatosphaeridium perforatum, (Alberti, 1961, p.37, pl.9, fig.14) Riley and Sarjeant, 1972, p.3.
Holotype: Alberti, 1961, pl.9, fig.14.
Originally Cannosphaeropsis, subsequently Adnatosphaeridium, thirdly Rigaudella.
Taxonomic senior synonym: Cannosphaeropsis (now Rigaudella) filamentosa, according to Stancliffe and Sarjeant (1990, p.206).
Age: ?Callovian.
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