Sarjeant, 1967c
From dinoflaj2
Sarjeant, W.A.S., 1967c: The rediscovery of a lost species of dinoflagellate cyst Hystrichosphaera (ex Spiniferites) reginaldi (Mantell 1844) comb.nov. Microscopy: the Journal of the Quekett Microscopical Club, v.30, p.241-250.