Palhistiodinia arcana Appendix A
From dinoflaj2
*arcana Deflandre, 1939a, p.185, pl.5, fig.10. Holotype: Deflandre, 1939a, pl.5, fig.10. Sarjeant (1978a, p.38) noted that the holotype is severely damaged and recommended that the genus and species names should be allowed to fall into disuse. It shows no evidence of dinoflagellate affinity. Age: Oxfordian.
Parent: Palhistiodinia