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Dapsilidinium majus
Dapsilidinium? majus (Lejeune-Carpentier, 1940) Lentin and Williams, 1981; Emendation: Lejeune-Carpentier and Sarjeant, 1981, p.12, as Amphorosphaeridium majus.
NOW Exochosphaeridium. Originally Hystrichosphaeridium, subsequently Polysphaeridium?, thirdly Cordosphaeridium, fourthly Dapsilidinium? (combination not validly published), fifthly Amphorosphaeridium, sixthly (and now) Exochosphaeridium. Questionable assignment: Lentin and Williams (1981, p.69).
Taxonomic junior synonyms: Baltisphaeridium (as Exochosphaeridium) bifidum and Exochosphaeridium bifidum var. involutum (as Exochosphaeridium bifidum subsp. involutum), both according to Peyrot (2011, p.284).
Holotype: Lejeune-Carpentier, 1940, text-fig.13; Lejeune-Carpentier and Sarjeant, 1981, pl.2, figs.6-7; text-fig.7.
Age: Senonian.
NOW Exochosphaeridium. Originally Hystrichosphaeridium, subsequently Polysphaeridium?, thirdly Cordosphaeridium, fourthly Dapsilidinium? (combination not validly published), fifthly Amphorosphaeridium, sixthly (and now) Exochosphaeridium. Questionable assignment: Lentin and Williams (1981, p.69).
Taxonomic junior synonyms: Baltisphaeridium (as Exochosphaeridium) bifidum and Exochosphaeridium bifidum var. involutum (as Exochosphaeridium bifidum subsp. involutum), both according to Peyrot (2011, p.284).
Holotype: Lejeune-Carpentier, 1940, text-fig.13; Lejeune-Carpentier and Sarjeant, 1981, pl.2, figs.6-7; text-fig.7.
Age: Senonian.