“…Most Lower Mississippian ovules known until now have been described from Laurussia among which a large part comes from the Scottish Cementstone group (Gordon, 1941;Long, 1960aLong, , b, c, 1961aLong, , b, 1965Long, , 1966Long, , 1969Long, , 1975Long, , 1977aBarnard and Long, 1973). Recently, a number of ovules have however been described from Gondwana (Erwin et al, 1994;Césari, 1997;Carrizo and Azcuy, 1998;Galtier et al, 2007).…”