Heterogyra Reuss, 1868

Baron-Szabo, Rosemarie C., 2008, Dendrophylliina, Caryophylliina, Fungiina, Microsolenina, and Stylinina, Zootaxa 1952, pp. 1-244 : 132

Genus Heterogyra Reuss, 1868

(= Felixastraea Oppenheim, 1930a , Type species. Cyathoseris zitteli Felix, 1903a , Santonian of Austria [Gosau Group]).

Type species. Heterogyra lobata Reuss, 1868 , Oligocene of Italy .

Diagnosis. Colonial, massive to submassive or explanate, thamnasterioid-meandroid. Gemmation intracalicinal (polystomodaeal budding with terminal forking). Calicinal series free laterally near summits or separated by tectiform to tholiform collines, discontinuous. Ambulacrae present in places. Corallites arranged in calicinal series or calicinal centres with lamellar linkages. Costosepta compact, can be subcompact in younger septa, subconfluent to confluent, laterally finely granulated. Columella parietal-papillose. Synapticulae abundant. Endothecal dissepiments thin, subtabulate. Wall synapticulothecal, often becoming solid.