†Nelltia Stephenson 1953 (tellin clam)
Bivalvia - Cardiida - Tellinidae
Parent taxon: Tellinidae according to H. E. Vokes 1980
Sister taxa: Acorylus, Arcopagia, Barytellina, Cymatoica, Elliptotellina, Eurytellina, Florimetis, Fragilia, Gastrana, Macoma, Macominae, Maera, Merisca, Metis, Peiricola, Psammacoma, Serratina, Sourimis, Strigillinae, Tellina, Tellininae
Subtaxa: Nelltia angulata, Nelltia roddana, Nelltia salsa, Nelltia skidgatensis, Nelltia stenzeli
Type: Nelltia stenzeli
Ecology: facultatively mobile infaunal deposit feeder