Wetzeliella pentagona

"pentagona" (Vozzhennikova, 1967, p.171–172, pl.89, fig.4; pl.95, figs.1–5; pl.96, figs.1–6) Lentin and Williams, 1976, p.132.  Holotype: Vozzhennikova, 1967, pl.96, fig.3, lost according to Lentin and Vozzhennikova (1990, p.78).  Lectotype: Lentin and Vozzhennikova, 1990, pl.7, fig.4; text-fig.42, designated by Lentin and Vozzhennikova (1990, p.78).  NOW Rhombodinium?.  Originally Rhombodinium, subsequently Wetzeliella, thirdly (and now) Rhombodinium?.  Taxonomic senior synonym: Wetzeliella articulata, according to Costa and Downie (1979, p.40) — however, Lentin and Williams (1981, p.291) retained Wetzeliella pentagona.  Age: late Eocene–early Oligocene.

Parent: Wetzeliella