Brotzenia cristata

"*cristata" Horowitz, 1975, p.25, pl.1, fig.8.  Emendation: Wheeler and Sarjeant, 1990, p.306–307, as Dichadogonyaulax cristata.  Holotype: Horowitz, 1975, pl.1, fig.8; Fensome et al., 1995, fig.1 — p.1479; lost according to Sarjeant (1988, p.177).  Neotype: Wheeler and Sarjeant, 1990, pl.8, fig.4; text-figs.10a–b; Fensome et al., 1995, fig.2 — p.1479; designated by Wheeler and Sarjeant (1992, p.382).  NOW Dichadogonyaulax.  Originally Brotzenia, subsequently Ctenidodinium?, thirdly (and now) Dichadogonyaulax.  Taxonomic senior synonym: Ctenidodinium ornatum, according to Woollam (1983, p.190) — however, Sarjeant (1988, p.180) retained this species as Dichadogonyaulax cristata.  Age: Late Triassic (probably not in place).

Parent: Brotzenia