Fig. 4 in Lower Devonian (Emsian) rugose corals from the Cantabrian Mountains, northern Spain

Fig. 4. Tabulophyllum bonarense sp. nov. A. Holotype DPO 14670 in cross section (A1) and longitudinal section (A2), with narrow dissepimentarium. B. Fragment of corallite DPO 14673 with lateral offsets. Well developed major septa are frequently interrupted by lonsdaleoid dissepiments. C–G. Cross sections of isolated corallites, showing variable development of septa: DPO 14688 (C), DPO 14685 (D), DPO 14672 (E), DPO 14671 (F), DPO 14686 (G). H. Longitudinalsectionwitha"rhizoidprocess"onleftsideofcorallite.All×3, exceptB, whichis×2. AllspecimensfromtheUpperEmsianofColle.