PaleoDB taxon number: 306389
Alternative combinations: Actinastraea idahoensis, Cyathocoenia idahoensis
Full reference: D. F. Squires. 1956. A New Triassic Coral Fauna from Idaho. American Museum Novitates (1797)1-27
Type specimen: AMNH 27963, an other (corallum). Its type locality is Lewiston locality, which is in a Sevatian reef, buildup or bioherm limestone in the Martin Bridge Formation of Idaho.
Ecology: stationary intermediate-level epifaunal photosymbiotic-suspension feeder