†Undopecten Waterhouse 1982 (clam)
Bivalvia - Pectinida - Heteropectinidae
Full reference: J. B. Waterhouse. 1982. Permian Pectinacea and Limacea (Bivalvia) from New Zealand. New Zealand Geological Survey Paleontological Bulletin 49:1-75
Parent taxon: Etheripectinidae according to N. D. Newell and D.W. Boyd 1995
Sister taxa: Etheripecten, Eumorphotis, Fletcheripecten, Girtypecten, Glabripecten, Heteropecten, Neptunopecten, Vnigripecten
Subtaxa: none
Ecology: stationary epifaunal suspension feeder