Cyclonema varians Billings 1857 (snail)

Gastropoda - Euomphalina - Platyceratidae

Alternative combination: Cyclonema (Cyclonema) varians

Full reference: E. Billings. 1857. Report for the year 1856. Geological Survey of Canada - Report of Progress for the Years 1853-56 247-345

Belongs to Cyclonema according to P. J. Wagner 2023

See also Billings 1857, Peel 1977, Thompson 1970 and Twenhofel 1928

Sister taxa: Cyclonema (Cyclonema), Cyclonema aiens, Cyclonema ampullosum, Cyclonema ananas, Cyclonema apicatum, Cyclonema bellulum, Cyclonema bilix, Cyclonema bitauniensis, 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 fluctuatum, 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 limatum, Cyclonema lineatum, Cyclonema lydiamariarum, Cyclonema margaritoides, 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 varicosum, Cyclonema varispirum, Cyclonema ventricosa

Ecology: facultatively mobile epifaunal coprophage-deposit feeder

Distribution: found only at Galiote reef, SW Point, Anticosti Isl., Canada (Silurian of Quebec)

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