Bivalvia - Nuculida - Nuculidae
Alternative combination: Nucula poposiensis
Belongs to Nuculopsis according to K.W. Ciriacks 1963
Sister taxa: Nuculopsis (Nuculopsis), Nuculopsis alta, Nuculopsis anthraconeiloides, Nuculopsis beyrichi, Nuculopsis cornutus, Nuculopsis darlingensis, Nuculopsis fujianensis, Nuculopsis girtyi, Nuculopsis glendonensis, Nuculopsis imperta, Nuculopsis leiyangensis, Nuculopsis lipoensis, Nuculopsis montpelierensis, Nuculopsis oviformis, Nuculopsis pidhensis, Nuculopsis rectangula, Nuculopsis salebrosus, Nuculopsis setorymensis, Nuculopsis shumardana, Nuculopsis shumardensis, Nuculopsis triangularis, Nuculopsis trivialis, Nuculopsis wewokana, Nuculopsis wymmensis, Nuculopsis yangtzeensis, Nuculopsis yuani
Type specimen: Its type locality is Big Popo Agie Canyon, Lander, Fremont County, which is in a Capitanian marine shale in the Phosphoria Formation of Wyoming
Ecology: facultatively mobile infaunal deposit feeder-suspension feeder
Average measurements (in mm): shell 2.79 x 1.90, valve length 2.42