Helcionelloida - Helcionellida - Helcionellidae
Alternative combinations: Helcionella aequa, Oelandiella aequa
Full reference: C. E. Resser. 1939. The Ptarmigania strata of the northwestern Wasatch Mountains. Smithsonian Miscellaneous Collections 98(24):1-72
Belongs to Ressericonella according to Y. Oh and J. S. Peel 2024
See also Resser 1939 and Wagner 2023
Sister taxon: Ressericonella pipalukae
Type specimen: Its type locality is 54s - Near mouth of North side Two Mile Canyon, 2 miles se of Malad, Wasatch Mts, which is in a Topazan carbonate limestone in the Langston Formation of Idaho
Distribution: found only at 54s - Near mouth of North side Two Mile Canyon, 2 miles se of Malad, Wasatch Mts
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.