In fact , Dodge termed the dinoflagellate nucleus as mesokaryotic , due to its possession of intermediate characteristics between the coiled DNA areas of prokaryotic bacteria and the well-defined eukaryotic nucleus . In fact , Dodge ( 1966 ) termed the dinoflagellate nucleus as â mesokaryoticâ , due to its possession of intermediate characteristics between the coiled DNA areas of prokaryotic bacteria and the well-defined eukaryotic nucleus .