Deflandrea acutula

"acutula" Wilson, 1967b, p.225–226, figs.11–12.  Emendation: Khowaja-Ateequzzaman et al., 1991, p.41–42, as Alterbidinium acutulum.  Holotype: Wilson, 1967b, fig.12.  NOW Alterbidinium.  Originally Deflandrea, subsequently Alterbia (combination illegitimate), thirdly (and now) Alterbidinium.  Taxonomic junior synonyms: Albertia (as Alterbia) recticornis, according to Whitney (1979, p.125) and Lentin and Williams (1993, p.14); Albertia (as Alterbia) curvicornis, according to Whitney (1979, p.125).  Age: Maastrichtian (see Wilson, 1972).

Parent: Deflandrea