Sentusidinium fibrosum
From dinoflaj2
"fibrosum" Kumar, 1987a, p.243-244, pl.1, figs.5,7-8,11; text-fig.6. Holotype: Kumar, 1987a, pl.1, fig.5. Originally Sentusidinium, subsequently Pilosidinium (combination not validly published). Taxonomic senior synonym: Leiosphaeridia (now Pilosidinium) asymmetrica, according to Courtinat in Fauconnier and Masure (2004, p.447,449). Age: Early Kimmeridgian-Tithonian.
Parent: Sentusidinium