Microdinium gymnosuturum
From dinoflaj3
?gymnosuturum Smith, 1992, p.342,344–345, figs.5a–f,6a–d,11j–l. Holotype: Smith, 1992, figs.5a–b. Questionable assignment: Smith (1992, p.342). Age: late Campanian–early Maastrichtian.
Parent: Microdinium