Cleistosphaeridium ancoriferum

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"ancoriferum" (Cookson and Eisenack, 1960a, p.8, pl.2, fig.11) Davey et al., 1966, p.167. Emendation: Cookson and Eisenack, 1968, p.119-120, as Cleistosphaeridium ancoriferum. Holotype: Cookson and Eisenack, 1960a, pl.2, fig.11. NOW Sepispinula. Originally Hystrichosphaeridium, subsequently Cleistosphaeridium, thirdly (and now) Sepispinula. Taxonomic senior synonym: Micrhystridium (as Polysphaeridium, now Sepispinula?) ambiguum, according to Yun Hyesu (1981, p.44) and Schiøler and Wilson (1998, p328) - however, Masure in Fauconnier and Masure (2004, p.499) retained Sepispinula ancorifera. Taxonomic senior synonym: Hystrichosphaeridium (now Sepispinula?) huguoniotii, according to Clarke and Verdier (1967, p.54) - however, Masure in Fauconnier and Masure (2004, p.499) retained Sepispinula ancorifera Age: Albian-Cenomanian.

Parent: Cleistosphaeridium

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