Pseudoceratium tetracanthum
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"?tetracanthum" Gocht, 1957, p.168, pl.18, figs.7-9; text-fig.5. Emendation: Monteil, 1991b, p.476-477, as Muderongia tetracantha. Holotype: Gocht, 1957, pl.18, fig.7. NOW Muderongia. Originally Pseudoceratium?, subsequently (and now) Muderongia. Questionable assignment: Gocht (1957, p.168). Taxonomic junior synonym: Muderongia crucis, according to Morgan (1980, p.28) - however, Jansonius (1982, p.16) retained Muderongia crucis. Age: Late Hauterivian.
Parent: Pseudoceratium