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Deunffia monacantha
Deunffia monacantha (Deunff, 1951) Downie, 1960
Originally Hystrichosphaeridium, subsequently (and now) Deunffia; see also Veryhachium (an acritarch genus; combination not validly published). Cramer and Diez, 1979 implied that this species may be a tax. jr. synonym of the acritarch species Hystrichosphaeridium (now Veryhachium) trispinosum Eisenack, 1938 or the acritarch species Veryhachium trisulcum Deunff, 1954 ex Deunff, 1959.
Holotype: Deunff, 1951, text-fig.4
Age: Middle Ordovician
Originally Hystrichosphaeridium, subsequently (and now) Deunffia; see also Veryhachium (an acritarch genus; combination not validly published). Cramer and Diez, 1979 implied that this species may be a tax. jr. synonym of the acritarch species Hystrichosphaeridium (now Veryhachium) trispinosum Eisenack, 1938 or the acritarch species Veryhachium trisulcum Deunff, 1954 ex Deunff, 1959.
Holotype: Deunff, 1951, text-fig.4
Age: Middle Ordovician