Spiniferites nanus

"nanus" Matsuoka, 1976, p.111, pl.28, figs.1–3.  Holotype: Matsuoka, 1976, p.111, pl.28, figs.1–2.  Taxonomic senior synonym: Hystrichosphaera (as Spiniferites) bulloidea, according to Matsuoka (1983a, p.23).  Taxonomic senior synonym: Spiniferites nanus, according to Matsuoka (1983a, p.23) — however, Matsuoka (1991, table 2 — p.8) retained Spiniferites nanus.  N.I.A.  Age: Pleistocene.

Parent: Spiniferites