Bivalvia - Cardiida - Ungulinidae
Parent taxon: Felaniella according to J. A. Todd 2001
See also Moore 1976 and Moore 1988
Sister taxa: Diplodonta (Diplodonta), Diplodonta (Microstagon), Diplodonta (Phlyctiderma), Diplodonta (Sphaerella), Diplodonta (Timothynus), Diplodonta (Zemysina), Diplodonta acclinis, Diplodonta aleutica, Diplodonta astartea, Diplodonta balcombensis, Diplodonta confusa, Diplodonta corbiscula, Diplodonta cornea, Diplodonta dalli, Diplodonta davisi, Diplodonta dilatata, Diplodonta dissona, Diplodonta ferruginata, Diplodonta globosa, Diplodonta hopkinsiensis, Diplodonta incerta, Diplodonta inconspicua, Diplodonta infrequens, Diplodonta lupinus, Diplodonta mediamericana, Diplodonta nucleiformis, Diplodonta orbella, Diplodonta paralta, Diplodonta parilis, Diplodonta problematica, Diplodonta punctata, Diplodonta shilohensis, Diplodonta soror, Diplodonta subquadrata, Diplodonta subrotunda, Diplodonta subrotundata, Diplodonta subvexa, Diplodonta torelli, Diplodonta transversaria, Diplodonta vaticani, Diplodonta villardeboeana, Diplodonta zelandica, Taras (Diplodonta) alta, Felaniella (Zemysia) elliptica, Felaniella senegalensis, Diplodonta (Felaniella) sericata, Felaniella insula, Felaniella palmerae, Felaniella confusa, Taras (Taras), Taras goodspeedi
Subtaxa: Felaniella (Felaniella) candeana Felaniella (Felaniella) harfordi Felaniella (Felaniella) snavelyi
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Belgium (1 collection), Haiti (1)
• Pliocene of Belgium (4), Jamaica (2)
• Miocene of Panama (1), United States (8: California)
• Oligocene of United States (12: California, Oregon)
Total: 29 collections including 30 occurrences