Rottnestia amphicavata

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