Parvocysta? tricornuta Riding and Shaw in Riding et al., 1991, p.149-150,152, pl.1, figs.11-15; text-fig.4C.
TYPE: Holotype: Riding et al., 1991, pl.1, fig.11. HISTORY: Questionable assignment: Riding and Shaw in Riding et al. (1991, p.149). AGE: Late Toarcian-Aalenian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |