Artykuł: Notes on the rare Cretaceous species Syndetocystis uralensis Strelnikova leading to the description of a new monotypic genus Monoportula P.A.Sims et D.M.Williams nov. gen / David M. Williams, Pata A. Sims, Jakub Witkowski. // Phytotaxa. 2023, , s.219-224 DOI: 10.11646/phytotaxa.595.2.8 (WorkId 34319)