Rottnestia amphicavata
From dinoflaj2
amphicavata Dobell and Norris in Harland et al., 1980, p.218-220, text-figs.4A-N,5-7. Holotype: Harland et al., 1980, text-figs.4A-C. Taxonomic senior synonym: Spiniferites frigidus, according to Bujak (1984, p.191) - however, de Vernal et al. (1992, p.324) retained Rottnestia amphicavata. Age: Holocene.
Parent: Rottnestia