Difference between revisions of "Exochosphaeridium brevispinum"
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Latest revision as of 00:12, 1 September 2015
"?brevispinum" Norvick, 1976, p.53, pl.4, figs.5-6. Holotype: Norvick, 1976, pl.4, figs.5-6. NOW Pervosphaeridium. Originally Exochosphaeridium, subsequently Exochosphaeridium?, thirdly (and now) Pervosphaeridium. Questionable assignment: Stover and Evitt (1978, p.154). Age: Cenomanian.
Parent: Exochosphaeridium
