Heteraulacacysta fehmarnensis
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fehmarnensis Lentin and Williams, 1973, p.67 ex Williams et al., 1998, p.265. Holotype: Morgenroth, 1966a, pl.2, fig.8, as Goniodoma polyedrica, designated by Williams et al., 1998, p.265. Originally Heteraulacacysta (name not validly published), subsequently Dinopterygium (name not validly published), thirdly (and now) Heteraulacacysta. Jan du Chêne and Adediran (1985, p.17) proposed the retention of this species in Heteraulacacysta. This name was not validly published in Lentin and Williams (1973, p.67) since effectively no holotype was designated. Lentin and Williams cited Morgenroth, 1966a, pl.2, figs.7–8 as holotype; however, these figures represent separate specimens. Age: early Eocene.
Parent: Heteraulacacysta