Hystrichosphaeridium penicillatum forma coronatum

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"forma coronatum" Wetzel, 1933b, caption to pl.4, fig.17 - p.41, pl.4, fig.17 ex Deflandre, 1937b, p.75.  Holotype: Wetzel, 1933b, pl.4, fig.17; Lejeune-Carpentier, 1938a, fig.6.  NOW Areoligera coronata.  Originally Hystrichosphaera penicillata forma coronata (name not validly published), subsequently Hystrichosphaeridium penicillatum forma coronatum, thirdly (and now) Areoligera coronata.  Taxonomic junior synonyms: Hystrichosphaera penicillata forma medusettiformis and Hystrichosphaera penicillata forma rhizopodiphora, both according to Morgenroth (1968, p.551) - however, Eaton (1976, p.245) retained Hystrichosphaera penicillata forma medusettiformis (as Areoligera medusettiformis).  The name Hystrichosphaera penicillata forma coronata was not validly published in Wetzel (1933b) since the generic name Hystrichosphaera was not validly published until 1937.  Age: Senonian. Parent: Hystrichosphaeridium penicillatum