Anthozoa - Stauriida - Petalaxidae
Alternative combination: Lithostrotion (Lithostrotionella) occidentalis
Full reference: C. W. Merriam. 1942. Carboniferous and Permian corals from central Oregon. Journal of Paleontology 16:372-381
Belongs to Petalaxis according to C. H. Stevens 2009
See also Fedorowski et al. 2007, Sando 1983 and Wilson 1985
Sister taxa: Petalaxis allisonae, Petalaxis baculatus, Petalaxis bailliei, Petalaxis beauchampi, Petalaxis belinskiensis, Petalaxis besti, Petalaxis branisai, Petalaxis cantabrica, Petalaxis celadensis, Petalaxis confertus, Petalaxis crassicolumnus, Petalaxis dobrolyuhovae, Petalaxis donbassica, Petalaxis donetsensis, Petalaxis ellesmerensis, Petalaxis elyensis, Petalaxis evidens, Petalaxis exiguus, Petalaxis exilis, Petalaxis flexuosus, Petalaxis fomichevi, Petalaxis grootae, Petalaxis immanis, Petalaxis intermedius, Petalaxis ivanovi, Petalaxis korkhovae, Petalaxis lisitschanskensis, Petalaxis maccoyanus, Petalaxis major, Petalaxis mirus, Petalaxis mohikanus, Petalaxis mokomokensis, Petalaxis monocyclicus, Petalaxis multilamellatus, Petalaxis orboensis, Petalaxis parvus, Petalaxis perapertuensis, Petalaxis persubtilis, Petalaxis radians, Petalaxis santaemariae, Petalaxis sexangulus, Petalaxis simplex, Petalaxis stylaxis, Petalaxis sutherlandi, Petalaxis tabulatus, Petalaxis taishakuensis, Petalaxis thorsteinssoni, Petalaxis tschucoticus, Petalaxis vesiculosus, Petalaxis wagneri, Petalaxis wyomingensis
Type specimen: Cornell 38694. Its type locality is S20, 2.25 miles N of Sherman Ranch, Grindstone-Twelvemile Creek area, which is in a Kungurian marine limestone/sandstone in the Coyote Butte Formation of Oregon.
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of United States (8: California, Nevada, Oregon collections)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.