Systematophora placacantha var. curta

"var. curta" (Matsuoka and Bujak, 1988, p.84-86, pl.15, figs.8-11; text-fig.21) Strauss and Lund, 1992, p.173.  Holotype: Matsuoka and Bujak, 1988, pl.15, fig.9.  NOW Systematophora? curta.  Originally Systematophora curta, subsequently (and now) Systematophora? curta, thirdly Systematophora placacantha var. curta.  Age: Late Oligocene-Early Miocene. Parent: Systematophora placacantha