Agathelia Reuss, 1854

Baron-Szabo, Rosemarie C., 2008, Dendrophylliina, Caryophylliina, Fungiina, Microsolenina, and Stylinina, Zootaxa 1952, pp. 1-244 : 200

Genus Agathelia Reuss, 1854

Type species. Agathelia asperella Reuss, 1854 , Upper Santonian of Austria (Neffgraben, Gosau Group) .

Diagnosis. Colonial, massive, plocoid. Gemmation extracalicinal. Costosepta compact, radially or bilaterally arranged in 6 systems. Stunted septa present. Distal septal margin covered with small subequal denticles. Septal flanks ornamented with spiniform granulae aligned in a row that lies perpendicular to the distal margin. Columella feebly developed, parietal-spongy to lamellar. Endothecal dissepiments vesicular to subtabulate. Exothecal dissepiments vesicular, abundant. Septothecal wall with stunted septa. Wall covered by concentric perithecal lamellae. Perithecal sheets with granulate surface and separated by vesicular dissepiments. Microstructure of perithecal lamellae is identical with that in Heterocoeniidae .