Anahtar Sözcükler Denizel yasunlar, Perm, Gymnocodiumgiller, Gymnocodium, yeniden tanımlanma, Begumia y.c. ve Grahamelliotticodium y.c., Revision, emendation, Gymnocodiacean Family, Gymnocodium, new genera Begumia n.g. and Grahamelliotticodium n.g., multifurcation, basal mass of Thallus