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ehrenbergii ([[Deflandre, 1947c]], fig.1, no.5) [[Islam, 1993]], p.86.  Emendation: Masure in [[Fauconnier and Masure, 2004]], p.337-338, as Impletosphaeridium ehrenbergii.  Holotype: [[Deflandre, 1939a]], pl.10, fig.9, as [[Hystrichosphaeridium ehrenbergii|Hystrichosphaeridium]] cf. hirsutum; [[Deflandre, 1947c]], fig.1, no.5; [[Fauconnier and Masure, 2004]], pl.48, figs.9,11.  Originally [[Hystrichosphaeridium ehrenbergii|Hystrichosphaeridium]], subsequently [[Baltisphaeridium ehrenbergii Appendix A|Baltisphaeridium]] (Appendix A), thirdly [[Cleistosphaeridium ehrenbergii|Cleistosphaeridium]], fourthly [[Cleistosphaeridium ehrenbergii|Cleistosphaeridium]]?, fifthly (and now) Impletosphaeridium.  Nomenclatural junior synonym: [[Cleistosphaeridium deflandrei]] [[Courtinat, 1989]], which has the same holotype.  This combination was not validly published in [[Davey et al., 1966|Davey et al. (1966]], p.170), since these authors did not fully reference the basionym.  [[Courtinat, 1989|Courtinat (1989]], p.166) erected the species [[Cleistosphaeridium deflandrei]] and designated as holotype the specimen illustrated in [[Deflandre, 1939a|Deflandre (1939a]], pl.10, fig.9) and [[Deflandre, 1947c|Deflandre (1947c]], fig.1, no.5).  This is the only specimen of [[Hystrichosphaeridium ehrenbergii]] illustrated by [[Deflandre, 1947c|Deflandre (1947c]]) when he erected that species, and which thus must be considered its holotype.  [[Courtinat, 1989|Courtinat (1989]], p.166) considered [[Hystrichosphaeridium ehrenbergii]] to be not validly published, since [[Deflandre, 1947c|Deflandre (1947c]]) did not give a diagnosis or designate a holotype.  According to the I.C.B.N. (Article 37.1), designation of a holotype was not required before 1958.  Also, according to the I.C.B.N. (Article 32.4), "For the purpose of valid publication of a name, reference to a previously and effectively published description or diagnosis may be direct or indirect ..." [[Deflandre, 1947c|Deflandre (1947c]], caption to fig.1, no.5) referred to "H. cf. hirsutum (Ehr.) Defl. 1938", this reference including a description by [[Deflandre, 1939a|Deflandre (1939a]], p.191).  Hence, [[Hystrichosphaeridium ehrenbergii]] must be regarded as having been validly published by [[Deflandre, 1947c|Deflandre (1947c]]); consequently [[Cleistosphaeridium deflandrei]] is an illegitimate name for the same taxon.  Age: Oxfordian.
[[Category:Taxon]]
[[Category:Species|ehrenbergii Impletosphaeridium]]
[[Category:MainIndex]]
Parent: [[Parent Genus::Impletosphaeridium]]
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Impletosphaeridium ehrenbergii - Revision history

Maintenance script at 04:20, 1 September 2015