Callaiosphaeridium falsificum

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"falsificum" (Duxbury, 1977, p.24-26, pl.5, figs.1-3; text-fig.4) Below, 1981a, p.28.  Holotype: Duxbury, 1977, pl.5, figs.1-2; Fensome et al., 1993a, figs.1-2 - p.1171.  NOW Avellodinium.  Originally (and now) Avellodinium, subsequently Callaiosphaeridium.  Taxonomic junior synonym (at specific rank): Hystrichosphaera furcata forma aulosphaeropsis (subsequently Spiniferites? ramosus subsp. aulosphaeropsis), according to Sarjeant (1985b, p.156-157).  Age: Late Berriasian-Early Barremian.

Parent: Callaiosphaeridium