Deflandrea acutula
From dinoflaj2
"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