TY - JOUR T1 - Colonial palynomorphs from the Upper Ordovician of north-eastern Iran : ‘thalli’, coenobial Chlorophyceae (Hydrodictyaceae) or cyanobacteria? JO - Palynology PY - 2019/09/26 AU - Navidi-Izad N AU - Hashemi H AU - Cascales-Miñana B AU - Régnier S AU - Wellman CH AU - Servais T ED - DO - DOI: 10.1080/01916122.2019.1657197 PB - Taylor & Francis Y2 - 2025/11/02 ER -