Gastropoda - Euomphalina - Platyceratidae

Alternative combination: Cyclonema (Holopea) limatum

Full reference: E. O. Ulrich and W. H. Scofield. 1897. The Lower Silurian Gastropoda of Minnesota. The Paleontology of Minnesota 39(2):813-1081

Belongs to Cyclonema according to P. J. Wagner 2011

Sister taxa: Cyclonema (Cyclonema), Cyclonema (Dyeria), Cyclonema (Ploconema), Cyclonema aiens, Cyclonema ampullosum, Cyclonema ananas, Cyclonema apicatum, Cyclonema bellulum, Cyclonema bilix, Cyclonema boreale, Cyclonema canaliculata, Cyclonema cancellatum, Cyclonema cives, Cyclonema compar, Cyclonema composita, Cyclonema consepultum, Cyclonema convergens, Cyclonema crebristria, Cyclonema cushingi, Cyclonema daytonensis, Cyclonema decora, Cyclonema delicatula, Cyclonema derelictum, Cyclonema dowlingii, Cyclonema fasciata, Cyclonema filicinctus, Cyclonema formosum, Cyclonema gracile, Cyclonema guilleri, Cyclonema gyronemoides, Cyclonema hageri, Cyclonema hallianum, Cyclonema humerosum, Cyclonema inaequistriatum, Cyclonema inflatum, Cyclonema infrequens, Cyclonema inopinata, Cyclonema intermedium, Cyclonema karlsteinensis, Cyclonema laudabile, Cyclonema lepidula, Cyclonema leptonotum, Cyclonema lineatum, Cyclonema lydiamariarum, Cyclonema marylandense, Cyclonema mediale, Cyclonema minuta, Cyclonema modestum, Cyclonema montrealense, Cyclonema niagarensis, Cyclonema nodulosum, Cyclonema obsolescens, Cyclonema parvimedium, Cyclonema percarinata, Cyclonema percingulatum, Cyclonema praecipitum, Cyclonema rupestre, Cyclonema servus, Cyclonema simulans, Cyclonema statshiunaica, Cyclonema sublaeve, Cyclonema subundata, Cyclonema sulphuriferum, Cyclonema tenuissimum, Cyclonema textilis, Cyclonema thalia, Cyclonema timida, Cyclonema timidum, Cyclonema transversum, Cyclonema trepidans, Cyclonema varians, Cyclonema varicosum, Cyclonema varispirum, Cyclonema ventricosa

Ecology: facultatively mobile epifaunal coprophage-deposit feeder