Pentagonum conicoides
From dinoflaj3
"conicoides" Vozzhennikova, 1963, caption to text-fig.17 — p.185. Name not validly published: orthographic error. The name appears only in the description for text-fig.17, there it is erroneously used for Pentagonum sibiricum, according to Vozzhennikova in Lentin and Williams (1993, p.500).
Parent: Pentagonum_Vozzhennikova 1963