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Rigaudella perforata
Rigaudella "perforata" (Alberti, 1961, p.37, pl.9, fig.14) Below, 1982b, p.149.
Originally Cannosphaeropsis, subsequently Adnatosphaeridium, thirdly Rigaudella. Taxonomic senior synonym: Cannosphaeropsis (now Rigaudella) filamentosa, according to Stancliffe and Sarjeant (1990, p.206). Fauconnier and Ogg in Fauconnier and Masure (2004, p.479–480) listed this taxon as a provisional species but accepted the synonymy cited above.
Holotype: Alberti, 1961, pl.9, fig.14.
Age: ?Callovian.
Originally Cannosphaeropsis, subsequently Adnatosphaeridium, thirdly Rigaudella. Taxonomic senior synonym: Cannosphaeropsis (now Rigaudella) filamentosa, according to Stancliffe and Sarjeant (1990, p.206). Fauconnier and Ogg in Fauconnier and Masure (2004, p.479–480) listed this taxon as a provisional species but accepted the synonymy cited above.
Holotype: Alberti, 1961, pl.9, fig.14.
Age: ?Callovian.