Anthozoa - Stauriida - Petalaxidae
Alternative combinations: Lithostrotion (Lithostrotionella) berthiaumi, Lonsdaleia (Actinocyathus) berthiaumi
Full reference: C. W. Merriam. 1942. Carboniferous and Permian corals from central Oregon. Journal of Paleontology 16:372-381
Belongs to Cystolonsdaleia according to J. Fedorowski et al. 2007
See also Sando 1983
Sister taxa: Cystolonsdaleia arctica, Cystolonsdaleia carteri, Cystolonsdaleia danneri, Cystolonsdaleia guaspariniae, Cystolonsdaleia hormos, Cystolonsdaleia neriae, Cystolonsdaleia obesa, Cystolonsdaleia zulloi
Type specimen: Cornell 38695. Its type locality is S80, Grindstone Area, which is in a Kungurian marine limestone/sandstone in the Coyote Butte Formation of Oregon.
Ecology: stationary epifaunal suspension feeder
Distribution: found only at S80, Grindstone Area
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.