The fossil lycopodPleuromeia longicaulis(Burges) comb. nov. and its supposed coneCyclostrobus sydneyensis(Walkom) Helby & Martin 1965 are common in the Scythian to Anisian Garie and Newport Formations north of Sydney, N.S.W.P. longicaulisprobably lived in extensive monodominant stands in the interdistributary bays of the ‘Gosford delta’ system, bordering a large coastal lagoon or lake.C. sydneyensiswas borne as a single erect terminal cone. It was shed intact and may have floated some distance before breaking up and releasing its heterospores.