Shi, K. 2026. A Comparative Study of Three Types of Dasycladalean Algae (Dasyporella, Vermiporella, Catenuporella gigantia) Fossils from the Late Ordovician Beiguoshan Formation in Ordos. Environment, Social and Governance. 3, 4 (Nov. 2026), 138–141. DOI:https://doi.org/10.70267/esg.v3n4.138141.