†family Pycnomphalidae Peel 1984 (snail)
Gastropoda - Euomphalina - Pycnomphalidae
Parent taxon: Euomphaloidea according to J. S. Peel 2019
Sister taxa: Anomphalidae, Elasmonematidae, Euomphalidae, Helicotomidae, Holopeidae, Kitikamispira, Lesueurillidae, Microdomatidae, Neoplatyteichum, Nettersheimia, Omphalocirridae, Omphalocirrinae, Omphalotrochidae, Ornollus, Planitrochidae, Pseudophoridae, Rhenomphalus, Serpulospira, Tychobraheidae
Subtaxa: Bobellis
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Eastern side of J.P. Koch Fjord, Samuelsen Høj Fm (Silurian of Greenland)